diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eda0828..30f0c9f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
     name: Build and Test
     strategy:
       matrix:
-        scala: [3.1.3, 2.13.8]
+        scala: [3.1.3, 2.13.12]
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout current branch (full)
@@ -23,7 +23,7 @@ jobs:
     name: Scalafmt
     strategy:
       matrix:
-        scala: [3.1.3, 2.13.8]
+        scala: [3.1.3, 2.13.12]
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout current branch (fast)
diff --git a/build.sbt b/build.sbt
index 57a51c0..9cdb987 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-val scala2Version = "2.13.8"
+val scala2Version = "2.13.12"
 val scala3Version = "3.1.3"
 
 val supportedScalaVersions = List(scala3Version, scala2Version)