diff --git a/.github/workflows/build-depends.yml b/.github/workflows/build-depends.yml
index b2fefcba010c..fae81b06b113 100644
--- a/.github/workflows/build-depends.yml
+++ b/.github/workflows/build-depends.yml
@@ -44,8 +44,8 @@ jobs:
 
         shell: bash
 
-      - name: Cache depends sources
-        uses: actions/cache@v4
+      - name: Restore depends sources
+        uses: actions/cache/restore@v4
         with:
           path: |
             depends/sources
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8bae21f41933..6450bf915faa 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,6 +37,12 @@ jobs:
             echo "skip=false" >> $GITHUB_OUTPUT
           fi
 
+  cache-sources:
+    name: Cache depends sources
+    needs: [check-skip]
+    if: ${{ needs.check-skip.outputs.skip == 'false' }}
+    uses: ./.github/workflows/cache-depends-sources.yml
+
   container:
     name: Build container
     needs: [check-skip]
@@ -60,7 +66,7 @@ jobs:
   depends-arm-linux:
     name: arm-linux-gnueabihf
     uses: ./.github/workflows/build-depends.yml
-    needs: [container]
+    needs: [container, cache-sources]
     if: ${{ vars.SKIP_ARM_LINUX == '' }}
     with:
       build-target: arm-linux
@@ -69,7 +75,7 @@ jobs:
   depends-linux64:
     name: x86_64-pc-linux-gnu
     uses: ./.github/workflows/build-depends.yml
-    needs: [container]
+    needs: [container, cache-sources]
     if: |
       vars.SKIP_LINUX64 == '' ||
       vars.SKIP_LINUX64_FUZZ == '' ||
@@ -82,7 +88,7 @@ jobs:
   depends-linux64_multiprocess:
     name: x86_64-pc-linux-gnu_multiprocess
     uses: ./.github/workflows/build-depends.yml
-    needs: [container]
+    needs: [container, cache-sources]
     if: |
       vars.SKIP_LINUX64_MULTIPROCESS == '' ||
       vars.SKIP_LINUX64_TSAN == ''
@@ -93,7 +99,7 @@ jobs:
   depends-linux64_nowallet:
     name: x86_64-pc-linux-gnu_nowallet
     uses: ./.github/workflows/build-depends.yml
-    needs: [container]
+    needs: [container, cache-sources]
     if: ${{ vars.SKIP_LINUX64_NOWALLET == '' }}
     with:
       build-target: linux64_nowallet
@@ -102,7 +108,7 @@ jobs:
   depends-mac:
     name: x86_64-apple-darwin
     uses: ./.github/workflows/build-depends.yml
-    needs: [container]
+    needs: [container, cache-sources]
     if: ${{ vars.SKIP_MAC == '' }}
     with:
       build-target: mac
@@ -111,7 +117,7 @@ jobs:
   depends-win64:
     name: x86_64-w64-mingw32
     uses: ./.github/workflows/build-depends.yml
-    needs: [container]
+    needs: [container, cache-sources]
     if: ${{ vars.SKIP_WIN64 == '' }}
     with:
       build-target: win64
diff --git a/.github/workflows/cache-depends-sources.yml b/.github/workflows/cache-depends-sources.yml
new file mode 100644
index 000000000000..4178e7bd5352
--- /dev/null
+++ b/.github/workflows/cache-depends-sources.yml
@@ -0,0 +1,30 @@
+name: Cache depends sources
+
+on:
+  workflow_call:
+  schedule:
+    # Run daily at 6 AM UTC on the default branch to keep cache warm
+    - cron: '0 6 * * *'
+
+jobs:
+  cache-sources:
+    name: Cache depends sources
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+
+      - name: Check for cached sources
+        id: cache-check
+        uses: actions/cache@v4
+        with:
+          path: depends/sources
+          key: depends-sources-${{ hashFiles('depends/packages/*') }}
+          restore-keys: depends-sources-
+          lookup-only: true
+
+      - name: Download sources
+        if: steps.cache-check.outputs.cache-hit != 'true'
+        run: make -C depends download