diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a70fff1bf..b82282051 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
         with:
           java-version: 11
           distribution: adopt
-      - run: sbt '++2.13.14 test'
+      - run: sbt '++2.13.15 test'
         shell: bash
   test:
     name: ${{ matrix.command }} ${{ matrix.java }}
@@ -55,7 +55,7 @@ jobs:
           # Test legacy Scala versions, where reporting API changed
           - "'++2.12.12! testAllNonNative'" # compiler version too old for Scala Native
           - "'++2.12.19 test'"
-          - "'++2.13.14 test'"
+          - "'++2.13.15 test'"
           # Minimal supported version
           - "'++3.3.3 test'"
           - "scripted"
diff --git a/.mergify.yml b/.mergify.yml
index c858e8bda..d4b54001c 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -7,12 +7,12 @@ pull_request_rules:
       - check-success=Windows
       - check-success="'++2.12.12! test' adopt@1.11"
       - check-success="'++2.12.19 test' adopt@1.11"
-      - check-success="'++2.13.14 test' adopt@1.11"
+      - check-success="'++2.13.15 test' adopt@1.11"
       - check-success="'++3.3.3 test' adopt@1.11"
       - check-success="scripted adopt@1.11"
       - check-success="'++2.12.12! test' 17"
       - check-success="'++2.12.19 test' 17"
-      - check-success="'++2.13.14 test' 17"
+      - check-success="'++2.13.15 test' 17"
       - check-success="'++3.3.3 test' 17"
       - check-success=scripted 17
     actions:
diff --git a/build.sbt b/build.sbt
index 36ed95161..954cf58ae 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ addCommandAlias(
 )
 
 def scala212 = "2.12.20"
-def scala213 = "2.13.14"
+def scala213 = "2.13.15"
 def scala3 = "3.3.3"
 def scala2Versions = List(scala212, scala213)
 def allScalaVersions = scala2Versions :+ scala3
diff --git a/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/build.sbt b/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/build.sbt
index 73ce8fd87..d774aa80e 100644
--- a/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/build.sbt
+++ b/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/build.sbt
@@ -1,5 +1,5 @@
 ThisBuild / scalaVersion := "2.12.20"
-ThisBuild / crossScalaVersions := List("2.12.20", "2.13.14", "3.3.3")
+ThisBuild / crossScalaVersions := List("2.12.20", "2.13.15", "3.3.3")
 
 enablePlugins(MdocPlugin)
 mdocJS := Some(jsapp)
diff --git a/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test b/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test
index 95c6ade1a..aca3cd6f3 100644
--- a/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test
+++ b/mdoc-sbt/src/sbt-test/sbt-mdoc/basic/test
@@ -1,6 +1,6 @@
 > ++2.12.19 mdoc
 > check
-> ++2.13.14 mdoc
+> ++2.13.15 mdoc
 > check
 > ++3.3.3 mdoc
 > check
diff --git a/mdoc-sbt/src/sbt-test/sbt-mdoc/extra-arguments/build.sbt b/mdoc-sbt/src/sbt-test/sbt-mdoc/extra-arguments/build.sbt
index 53eaf55f6..0685bf194 100644
--- a/mdoc-sbt/src/sbt-test/sbt-mdoc/extra-arguments/build.sbt
+++ b/mdoc-sbt/src/sbt-test/sbt-mdoc/extra-arguments/build.sbt
@@ -1,3 +1,3 @@
-ThisBuild / scalaVersion := "2.13.14"
+ThisBuild / scalaVersion := "2.13.15"
 
 enablePlugins(MdocPlugin)