diff --git a/docker/basic/only-digest/latest/Dockerfile b/docker/basic/only-digest/latest/Dockerfile
new file mode 100644
index 00000000..48985570
--- /dev/null
+++ b/docker/basic/only-digest/latest/Dockerfile
@@ -0,0 +1 @@
+FROM ghcr.io/dependabot/dependabot-updater@sha256:fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
\ No newline at end of file
diff --git a/docker/basic/only-digest/old/Dockerfile b/docker/basic/only-digest/old/Dockerfile
new file mode 100644
index 00000000..b0ab51d7
--- /dev/null
+++ b/docker/basic/only-digest/old/Dockerfile
@@ -0,0 +1 @@
+FROM ghcr.io/dependabot/dependabot-updater@sha256:2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
\ No newline at end of file
diff --git a/docker/basic/tagged-plus-diggest/latest/Dockerfile b/docker/basic/tagged-plus-diggest/latest/Dockerfile
new file mode 100644
index 00000000..f5a95e97
--- /dev/null
+++ b/docker/basic/tagged-plus-diggest/latest/Dockerfile
@@ -0,0 +1 @@
+FROM ghcr.io/dependabot/dependabot-updater:v2.0.20230126175323@sha256:fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
\ No newline at end of file
diff --git a/docker/basic/tagged-plus-diggest/old/tagged_plus_digest.Dockerfile b/docker/basic/tagged-plus-diggest/old/tagged_plus_digest.Dockerfile
new file mode 100644
index 00000000..c5f24b54
--- /dev/null
+++ b/docker/basic/tagged-plus-diggest/old/tagged_plus_digest.Dockerfile
@@ -0,0 +1 @@
+FROM ghcr.io/dependabot/dependabot-updater:v2.0.20230126130633@sha256:2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
\ No newline at end of file
diff --git a/docker/basic/tagged/latest/Dockerfile b/docker/basic/tagged/latest/Dockerfile
new file mode 100644
index 00000000..4fc2f4ff
--- /dev/null
+++ b/docker/basic/tagged/latest/Dockerfile
@@ -0,0 +1 @@
+FROM ghcr.io/dependabot/dependabot-updater:v2.0.20230126175323
\ No newline at end of file
diff --git a/docker/basic/tagged/old/Dockerfile b/docker/basic/tagged/old/Dockerfile
new file mode 100644
index 00000000..87ae7d02
--- /dev/null
+++ b/docker/basic/tagged/old/Dockerfile
@@ -0,0 +1 @@
+FROM ghcr.io/dependabot/dependabot-updater:v2.0.20230126130633
\ No newline at end of file
diff --git a/tests/smoke-docker-basic-only-digest-latest.yaml b/tests/smoke-docker-basic-only-digest-latest.yaml
new file mode 100644
index 00000000..bb75578b
--- /dev/null
+++ b/tests/smoke-docker-basic-only-digest-latest.yaml
@@ -0,0 +1,39 @@
+input:
+    job:
+        command: update
+        package-manager: docker
+        allowed-updates:
+            - update-type: all
+        source:
+            provider: github
+            repo: dependabot/smoke-tests
+            directories:
+                - docker/basic/only-digest/latest/
+            commit: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            hostname: github.com
+            api-endpoint: https://api.github.com
+    credentials:
+        - host: github.com
+          password: $LOCAL_GITHUB_ACCESS_TOKEN
+          type: git_source
+          username: x-access-token
+output:
+    - type: update_dependency_list
+      expect:
+        data:
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                        registry: ghcr.io
+                  version: fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+            dependency_files:
+                - /docker/basic/only-digest/latest/Dockerfile
+    - type: mark_as_processed
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
diff --git a/tests/smoke-docker-basic-only-digest-old.yaml b/tests/smoke-docker-basic-only-digest-old.yaml
new file mode 100644
index 00000000..8ab7feff
--- /dev/null
+++ b/tests/smoke-docker-basic-only-digest-old.yaml
@@ -0,0 +1,82 @@
+input:
+    job:
+        command: update
+        package-manager: docker
+        allowed-updates:
+            - update-type: all
+        ignore-conditions:
+            - dependency-name: dependabot/dependabot-updater
+              source: tests/smoke-docker-basic-only-digest-old.yaml
+              version-requirement: '>fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c'
+        source:
+            provider: github
+            repo: dependabot/smoke-tests
+            directories:
+                - docker/basic/only-digest/old/
+            commit: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            hostname: github.com
+            api-endpoint: https://api.github.com
+    credentials:
+        - host: github.com
+          password: $LOCAL_GITHUB_ACCESS_TOKEN
+          type: git_source
+          username: x-access-token
+output:
+    - type: update_dependency_list
+      expect:
+        data:
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: 2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
+                        registry: ghcr.io
+                  version: 2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
+            dependency_files:
+                - /docker/basic/only-digest/old/Dockerfile
+    - type: create_pull_request
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  previous-requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: 2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
+                        registry: ghcr.io
+                  previous-version: 2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                        registry: ghcr.io
+                  version: fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                  directory: /docker/basic/only-digest/old
+            updated-dependency-files:
+                - content: FROM ghcr.io/dependabot/dependabot-updater@sha256:fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                  content_encoding: utf-8
+                  deleted: false
+                  directory: /docker/basic/only-digest/old
+                  name: Dockerfile
+                  operation: update
+                  support_file: false
+                  type: file
+            pr-title: Bump dependabot/dependabot-updater from `2f1df3a` to `fb82831` in /docker/basic/only-digest/old
+            pr-body: |
+                Bumps dependabot/dependabot-updater from `2f1df3a` to `fb82831`.
+            commit-message: |-
+                Bump dependabot/dependabot-updater in /docker/basic/only-digest/old
+
+                Bumps dependabot/dependabot-updater from `2f1df3a` to `fb82831`.
+    - type: mark_as_processed
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
diff --git a/tests/smoke-docker-basic-tagged-latest.yaml b/tests/smoke-docker-basic-tagged-latest.yaml
new file mode 100644
index 00000000..e743e180
--- /dev/null
+++ b/tests/smoke-docker-basic-tagged-latest.yaml
@@ -0,0 +1,39 @@
+input:
+    job:
+        command: update
+        package-manager: docker
+        allowed-updates:
+            - update-type: all
+        source:
+            provider: github
+            repo: dependabot/smoke-tests
+            directories:
+                - docker/basic/tagged/latest/
+            commit: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            hostname: github.com
+            api-endpoint: https://api.github.com
+    credentials:
+        - host: github.com
+          password: $LOCAL_GITHUB_ACCESS_TOKEN
+          type: git_source
+          username: x-access-token
+output:
+    - type: update_dependency_list
+      expect:
+        data:
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        registry: ghcr.io
+                        tag: v2.0.20230126175323
+                  version: v2.0.20230126175323
+            dependency_files:
+                - /docker/basic/tagged/latest/Dockerfile
+    - type: mark_as_processed
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
diff --git a/tests/smoke-docker-basic-tagged-old.yaml b/tests/smoke-docker-basic-tagged-old.yaml
new file mode 100644
index 00000000..58b77937
--- /dev/null
+++ b/tests/smoke-docker-basic-tagged-old.yaml
@@ -0,0 +1,82 @@
+input:
+    job:
+        command: update
+        package-manager: docker
+        allowed-updates:
+            - update-type: all
+        ignore-conditions:
+            - dependency-name: dependabot/dependabot-updater
+              source: tests/smoke-docker-basic-tagged-old.yaml
+              version-requirement: '>v2.0.20230126175323'
+        source:
+            provider: github
+            repo: dependabot/smoke-tests
+            directories:
+                - docker/basic/tagged/old/
+            commit: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            hostname: github.com
+            api-endpoint: https://api.github.com
+    credentials:
+        - host: github.com
+          password: $LOCAL_GITHUB_ACCESS_TOKEN
+          type: git_source
+          username: x-access-token
+output:
+    - type: update_dependency_list
+      expect:
+        data:
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        registry: ghcr.io
+                        tag: v2.0.20230126130633
+                  version: v2.0.20230126130633
+            dependency_files:
+                - /docker/basic/tagged/old/Dockerfile
+    - type: create_pull_request
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  previous-requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        registry: ghcr.io
+                        tag: v2.0.20230126130633
+                  previous-version: v2.0.20230126130633
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        registry: ghcr.io
+                        tag: v2.0.20230126175323
+                  version: v2.0.20230126175323
+                  directory: /docker/basic/tagged/old
+            updated-dependency-files:
+                - content: FROM ghcr.io/dependabot/dependabot-updater:v2.0.20230126175323
+                  content_encoding: utf-8
+                  deleted: false
+                  directory: /docker/basic/tagged/old
+                  name: Dockerfile
+                  operation: update
+                  support_file: false
+                  type: file
+            pr-title: Bump dependabot/dependabot-updater from v2.0.20230126130633 to v2.0.20230126175323 in /docker/basic/tagged/old
+            pr-body: |
+                Bumps dependabot/dependabot-updater from v2.0.20230126130633 to v2.0.20230126175323.
+            commit-message: |-
+                Bump dependabot/dependabot-updater in /docker/basic/tagged/old
+
+                Bumps dependabot/dependabot-updater from v2.0.20230126130633 to v2.0.20230126175323.
+    - type: mark_as_processed
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
diff --git a/tests/smoke-docker-basic-tagged-plus-diggest-latest.yaml b/tests/smoke-docker-basic-tagged-plus-diggest-latest.yaml
new file mode 100644
index 00000000..8b6abd68
--- /dev/null
+++ b/tests/smoke-docker-basic-tagged-plus-diggest-latest.yaml
@@ -0,0 +1,40 @@
+input:
+    job:
+        command: update
+        package-manager: docker
+        allowed-updates:
+            - update-type: all
+        source:
+            provider: github
+            repo: dependabot/smoke-tests
+            directories:
+                - docker/basic/tagged-plus-diggest/latest/
+            commit: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            hostname: github.com
+            api-endpoint: https://api.github.com
+    credentials:
+        - host: github.com
+          password: $LOCAL_GITHUB_ACCESS_TOKEN
+          type: git_source
+          username: x-access-token
+output:
+    - type: update_dependency_list
+      expect:
+        data:
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  requirements:
+                    - file: Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                        registry: ghcr.io
+                        tag: v2.0.20230126175323
+                  version: v2.0.20230126175323
+            dependency_files:
+                - /docker/basic/tagged-plus-diggest/latest/Dockerfile
+    - type: mark_as_processed
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
diff --git a/tests/smoke-docker-basic-tagged-plus-diggest-old.yaml b/tests/smoke-docker-basic-tagged-plus-diggest-old.yaml
new file mode 100644
index 00000000..b6fb6276
--- /dev/null
+++ b/tests/smoke-docker-basic-tagged-plus-diggest-old.yaml
@@ -0,0 +1,85 @@
+input:
+    job:
+        command: update
+        package-manager: docker
+        allowed-updates:
+            - update-type: all
+        ignore-conditions:
+            - dependency-name: dependabot/dependabot-updater
+              source: tests/smoke-docker-basic-tagged-plus-diggest-old.yaml
+              version-requirement: '>v2.0.20230126175323'
+        source:
+            provider: github
+            repo: dependabot/smoke-tests
+            directories:
+                - docker/basic/tagged-plus-diggest/old/
+            commit: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            hostname: github.com
+            api-endpoint: https://api.github.com
+    credentials:
+        - host: github.com
+          password: $LOCAL_GITHUB_ACCESS_TOKEN
+          type: git_source
+          username: x-access-token
+output:
+    - type: update_dependency_list
+      expect:
+        data:
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  requirements:
+                    - file: tagged_plus_digest.Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: 2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
+                        registry: ghcr.io
+                        tag: v2.0.20230126130633
+                  version: v2.0.20230126130633
+            dependency_files:
+                - /docker/basic/tagged-plus-diggest/old/tagged_plus_digest.Dockerfile
+    - type: create_pull_request
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5
+            dependencies:
+                - name: dependabot/dependabot-updater
+                  previous-requirements:
+                    - file: tagged_plus_digest.Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: 2f1df3a9bf8f2a9b2244c338f3f5d434a35e4910302f483fe2030eeb7cc66bc7
+                        registry: ghcr.io
+                        tag: v2.0.20230126130633
+                  previous-version: v2.0.20230126130633
+                  requirements:
+                    - file: tagged_plus_digest.Dockerfile
+                      groups: []
+                      requirement: null
+                      source:
+                        digest: fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                        registry: ghcr.io
+                        tag: v2.0.20230126175323
+                  version: v2.0.20230126175323
+                  directory: /docker/basic/tagged-plus-diggest/old
+            updated-dependency-files:
+                - content: FROM ghcr.io/dependabot/dependabot-updater:v2.0.20230126175323@sha256:fb82831a055f7217d7935fc4cbc29ee900d1321565952edb870a755c4836468c
+                  content_encoding: utf-8
+                  deleted: false
+                  directory: /docker/basic/tagged-plus-diggest/old
+                  name: tagged_plus_digest.Dockerfile
+                  operation: update
+                  support_file: false
+                  type: file
+            pr-title: Bump dependabot/dependabot-updater from v2.0.20230126130633 to v2.0.20230126175323 in /docker/basic/tagged-plus-diggest/old
+            pr-body: |
+                Bumps dependabot/dependabot-updater from v2.0.20230126130633 to v2.0.20230126175323.
+            commit-message: |-
+                Bump dependabot/dependabot-updater
+
+                Bumps dependabot/dependabot-updater from v2.0.20230126130633 to v2.0.20230126175323.
+    - type: mark_as_processed
+      expect:
+        data:
+            base-commit-sha: 4464bf6535561ec44f5c729a1ab3f2610db0ffb5