diff --git a/changelog/unreleased/PR#3990-update-dev-langchain4j-langchain4j-bom.yml b/changelog/unreleased/PR#3990-update-dev-langchain4j-langchain4j-bom.yml
new file mode 100644
index 00000000000..6e9ac7eb6e7
--- /dev/null
+++ b/changelog/unreleased/PR#3990-update-dev-langchain4j-langchain4j-bom.yml
@@ -0,0 +1,7 @@
+title: Update dev.langchain4j:langchain4j-bom to v1.13.1
+type: dependency_update
+authors:
+- name: solrbot
+links:
+- name: PR#3990
+  url: https://github.com/apache/solr/pull/3990
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7018c17a31e..354a90b295e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -156,7 +156,7 @@ kotlinx-serialization = "1.11.0"
 # @keep used by spotless
 ktlint = "1.8.0"
 ktor = "3.4.2"
-langchain4j-bom = "1.9.1"
+langchain4j-bom = "1.13.1"
 # @keep Link checker version used in ref-guide
 link-checker = "1.4.2"
 littlerobots-versioncatalogupdate = "1.1.0"
diff --git a/solr/licenses/langchain4j-cohere-1.13.1-beta23.jar.sha1 b/solr/licenses/langchain4j-cohere-1.13.1-beta23.jar.sha1
new file mode 100644
index 00000000000..1758496cd80
--- /dev/null
+++ b/solr/licenses/langchain4j-cohere-1.13.1-beta23.jar.sha1
@@ -0,0 +1 @@
+a92714bb19244390ef8aabc00be2a9784522a8c4
diff --git a/solr/licenses/langchain4j-cohere-1.9.1-beta17.jar.sha1 b/solr/licenses/langchain4j-cohere-1.9.1-beta17.jar.sha1
deleted file mode 100644
index 31be8239c47..00000000000
--- a/solr/licenses/langchain4j-cohere-1.9.1-beta17.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-6a8ba256cc8be84944b343b64a677ad1d2cd59cb
diff --git a/solr/licenses/langchain4j-core-1.13.1.jar.sha1 b/solr/licenses/langchain4j-core-1.13.1.jar.sha1
new file mode 100644
index 00000000000..c9ba6fae089
--- /dev/null
+++ b/solr/licenses/langchain4j-core-1.13.1.jar.sha1
@@ -0,0 +1 @@
+a64766c430edc9bbff310093199663c5830fbf11
diff --git a/solr/licenses/langchain4j-core-1.9.1.jar.sha1 b/solr/licenses/langchain4j-core-1.9.1.jar.sha1
deleted file mode 100644
index d1440766269..00000000000
--- a/solr/licenses/langchain4j-core-1.9.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-8b816e73fd6c5ff23951d65aa86809c1a0793daa
diff --git a/solr/licenses/langchain4j-http-client-1.13.1.jar.sha1 b/solr/licenses/langchain4j-http-client-1.13.1.jar.sha1
new file mode 100644
index 00000000000..3e52c932a74
--- /dev/null
+++ b/solr/licenses/langchain4j-http-client-1.13.1.jar.sha1
@@ -0,0 +1 @@
+775b355722b8ec5df6042ef770ce6c15292ef8b4
diff --git a/solr/licenses/langchain4j-http-client-1.9.1.jar.sha1 b/solr/licenses/langchain4j-http-client-1.9.1.jar.sha1
deleted file mode 100644
index 608d918c2b2..00000000000
--- a/solr/licenses/langchain4j-http-client-1.9.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-1d8e7c831bf6b026262734f8347ddfd87bc1c423
diff --git a/solr/licenses/langchain4j-http-client-jdk-1.13.1.jar.sha1 b/solr/licenses/langchain4j-http-client-jdk-1.13.1.jar.sha1
new file mode 100644
index 00000000000..2c1f921b3aa
--- /dev/null
+++ b/solr/licenses/langchain4j-http-client-jdk-1.13.1.jar.sha1
@@ -0,0 +1 @@
+4398d9ed901af920749dfd38301b28cfd2234402
diff --git a/solr/licenses/langchain4j-http-client-jdk-1.9.1.jar.sha1 b/solr/licenses/langchain4j-http-client-jdk-1.9.1.jar.sha1
deleted file mode 100644
index 4c254b18c86..00000000000
--- a/solr/licenses/langchain4j-http-client-jdk-1.9.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-eb87dc31ce93bd882ffbe667c9b3327a4679bbb6
diff --git a/solr/licenses/langchain4j-hugging-face-1.13.1-beta23.jar.sha1 b/solr/licenses/langchain4j-hugging-face-1.13.1-beta23.jar.sha1
new file mode 100644
index 00000000000..52b5b5ac1bf
--- /dev/null
+++ b/solr/licenses/langchain4j-hugging-face-1.13.1-beta23.jar.sha1
@@ -0,0 +1 @@
+c301e24d944de8eaf702a3ebb9a92af3c7bb177c
diff --git a/solr/licenses/langchain4j-hugging-face-1.9.1-beta17.jar.sha1 b/solr/licenses/langchain4j-hugging-face-1.9.1-beta17.jar.sha1
deleted file mode 100644
index 0e04b287935..00000000000
--- a/solr/licenses/langchain4j-hugging-face-1.9.1-beta17.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-205ebffd2254d8bf71a9a577e9fb416280edb5e1
diff --git a/solr/licenses/langchain4j-mistral-ai-1.13.1.jar.sha1 b/solr/licenses/langchain4j-mistral-ai-1.13.1.jar.sha1
new file mode 100644
index 00000000000..b35c6cf089f
--- /dev/null
+++ b/solr/licenses/langchain4j-mistral-ai-1.13.1.jar.sha1
@@ -0,0 +1 @@
+f620fcbe732548b7210a4d2dd765d7e8e35931a7
diff --git a/solr/licenses/langchain4j-mistral-ai-1.9.1.jar.sha1 b/solr/licenses/langchain4j-mistral-ai-1.9.1.jar.sha1
deleted file mode 100644
index ce559bb1104..00000000000
--- a/solr/licenses/langchain4j-mistral-ai-1.9.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-073eb481aaef8535cd039b82d1e6120eced7180c
diff --git a/solr/licenses/langchain4j-open-ai-1.13.1.jar.sha1 b/solr/licenses/langchain4j-open-ai-1.13.1.jar.sha1
new file mode 100644
index 00000000000..42f86e4c32a
--- /dev/null
+++ b/solr/licenses/langchain4j-open-ai-1.13.1.jar.sha1
@@ -0,0 +1 @@
+278783552764945c929925a11b37bb32272c608a
diff --git a/solr/licenses/langchain4j-open-ai-1.9.1.jar.sha1 b/solr/licenses/langchain4j-open-ai-1.9.1.jar.sha1
deleted file mode 100644
index b4c81bdb0f1..00000000000
--- a/solr/licenses/langchain4j-open-ai-1.9.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-a13070e1c984edf4688ba93d2a08f4b3e7f78238
diff --git a/solr/modules/language-models/gradle.lockfile b/solr/modules/language-models/gradle.lockfile
index d2cdfd08dd8..02899d9b36c 100644
--- a/solr/modules/language-models/gradle.lockfile
+++ b/solr/modules/language-models/gradle.lockfile
@@ -41,14 +41,14 @@ com.tdunning:t-digest:3.3=jarValidation,runtimeClasspath,runtimeLibs,solrPlatfor
 commons-cli:commons-cli:1.11.0=jarValidation,runtimeClasspath,runtimeLibs,solrPlatformLibs,testRuntimeClasspath
 commons-codec:commons-codec:1.21.0=jarValidation,runtimeClasspath,runtimeLibs,solrPlatformLibs,testRuntimeClasspath
 commons-io:commons-io:2.21.0=compileClasspath,jarValidation,runtimeClasspath,runtimeLibs,solrPlatformLibs,testCompileClasspath,testRuntimeClasspath
-dev.langchain4j:langchain4j-bom:1.9.1=compileClasspath,jarValidation,runtimeClasspath,runtimeLibs,testCompileClasspath,testRuntimeClasspath
-dev.langchain4j:langchain4j-cohere:1.9.1-beta17=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
-dev.langchain4j:langchain4j-core:1.9.1=compileClasspath,jarValidation,runtimeClasspath,runtimeLibs,testCompileClasspath,testRuntimeClasspath
-dev.langchain4j:langchain4j-http-client-jdk:1.9.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
-dev.langchain4j:langchain4j-http-client:1.9.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
-dev.langchain4j:langchain4j-hugging-face:1.9.1-beta17=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
-dev.langchain4j:langchain4j-mistral-ai:1.9.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
-dev.langchain4j:langchain4j-open-ai:1.9.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
+dev.langchain4j:langchain4j-bom:1.13.1=compileClasspath,jarValidation,runtimeClasspath,runtimeLibs,testCompileClasspath,testRuntimeClasspath
+dev.langchain4j:langchain4j-cohere:1.13.1-beta23=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
+dev.langchain4j:langchain4j-core:1.13.1=compileClasspath,jarValidation,runtimeClasspath,runtimeLibs,testCompileClasspath,testRuntimeClasspath
+dev.langchain4j:langchain4j-http-client-jdk:1.13.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
+dev.langchain4j:langchain4j-http-client:1.13.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
+dev.langchain4j:langchain4j-hugging-face:1.13.1-beta23=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
+dev.langchain4j:langchain4j-mistral-ai:1.13.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
+dev.langchain4j:langchain4j-open-ai:1.13.1=jarValidation,runtimeClasspath,runtimeLibs,testRuntimeClasspath
 io.dropwizard.metrics:metrics-annotation:4.2.33=jarValidation,testRuntimeClasspath
 io.dropwizard.metrics:metrics-core:4.2.33=jarValidation,runtimeClasspath,runtimeLibs,solrPlatformLibs,testRuntimeClasspath
 io.dropwizard.metrics:metrics-jetty12-ee10:4.2.33=jarValidation,testRuntimeClasspath