diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4eacec7..8d70310 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12, 2.13, 3]
+        scala: [2.13.15, 2.13.14, 3.5.1]
         java: [temurin@8]
         project: [rootJS, rootJVM]
     runs-on: ${{ matrix.os }}
@@ -136,62 +136,62 @@ jobs:
         if: matrix.java == 'temurin@8' && steps.setup-java-temurin-8.outputs.cache-hit == 'false'
         run: sbt +update
 
-      - name: Download target directories (2.12, rootJS)
+      - name: Download target directories (2.13.15, rootJS)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.15-rootJS
 
-      - name: Inflate target directories (2.12, rootJS)
+      - name: Inflate target directories (2.13.15, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.12, rootJVM)
+      - name: Download target directories (2.13.15, rootJVM)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.15-rootJVM
 
-      - name: Inflate target directories (2.12, rootJVM)
+      - name: Inflate target directories (2.13.15, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.13, rootJS)
+      - name: Download target directories (2.13.14, rootJS)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.14-rootJS
 
-      - name: Inflate target directories (2.13, rootJS)
+      - name: Inflate target directories (2.13.14, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.13, rootJVM)
+      - name: Download target directories (2.13.14, rootJVM)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.14-rootJVM
 
-      - name: Inflate target directories (2.13, rootJVM)
+      - name: Inflate target directories (2.13.14, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3, rootJS)
+      - name: Download target directories (3.5.1, rootJS)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootJS
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3.5.1-rootJS
 
-      - name: Inflate target directories (3, rootJS)
+      - name: Inflate target directories (3.5.1, rootJS)
         run: |
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (3, rootJVM)
+      - name: Download target directories (3.5.1, rootJVM)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootJVM
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3.5.1-rootJVM
 
-      - name: Inflate target directories (3, rootJVM)
+      - name: Inflate target directories (3.5.1, rootJVM)
         run: |
           tar xf targets.tar
           rm targets.tar
@@ -254,7 +254,7 @@ jobs:
       - name: Submit Dependencies
         uses: scalacenter/sbt-dependency-submission@v2
         with:
-          modules-ignore: rootjs_2.12 rootjs_2.13 rootjs_3 rootjvm_2.12 rootjvm_2.13 rootjvm_3 rootnative_2.12 rootnative_2.13 rootnative_3 readme_2.12 readme_2.13
+          modules-ignore: rootjs_2.13 rootjs_2.13 rootjs_3 rootjvm_2.13 rootjvm_2.13 rootjvm_3 rootnative_2.13 rootnative_2.13 rootnative_3 readme_2.13 readme_2.13
           configs-ignore: test scala-tool scala-doc-tool test-internal
 
   validate-steward:
diff --git a/.mergify.yml b/.mergify.yml
index 8d53589..68efc87 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -21,12 +21,12 @@ pull_request_rules:
   - or:
     - author=scala-steward
     - author=scala-steward[bot]
-  - status-success=Build and Test (ubuntu-latest, 2.12, temurin@8, rootJS)
-  - status-success=Build and Test (ubuntu-latest, 2.12, temurin@8, rootJVM)
-  - status-success=Build and Test (ubuntu-latest, 2.13, temurin@8, rootJS)
-  - status-success=Build and Test (ubuntu-latest, 2.13, temurin@8, rootJVM)
-  - status-success=Build and Test (ubuntu-latest, 3, temurin@8, rootJS)
-  - status-success=Build and Test (ubuntu-latest, 3, temurin@8, rootJVM)
+  - status-success=Build and Test (ubuntu-latest, 2.13.15, temurin@8, rootJS)
+  - status-success=Build and Test (ubuntu-latest, 2.13.15, temurin@8, rootJVM)
+  - status-success=Build and Test (ubuntu-latest, 2.13.14, temurin@8, rootJS)
+  - status-success=Build and Test (ubuntu-latest, 2.13.14, temurin@8, rootJVM)
+  - status-success=Build and Test (ubuntu-latest, 3.5.1, temurin@8, rootJS)
+  - status-success=Build and Test (ubuntu-latest, 3.5.1, temurin@8, rootJVM)
   actions:
     merge:
       method: merge
diff --git a/build.sbt b/build.sbt
index 9ec0fa9..5b9417c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ val groupId = "eu.timepit"
 val projectName = "fs2-cron"
 val rootPkg = s"$groupId.${projectName.replace("-", "")}"
 
-val Scala_2_12 = "2.12.20"
+val Scala_2_12 = "2.13.15"
 val Scala_2_13 = "2.13.14"
 val Scala_3 = "3.5.1"