diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ed3eda6..500e056 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         scala:
-          [2.12.12, 2.13.6]
+          [2.12.15, 2.13.6]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 49e2f0f..f8c31d6 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -4,7 +4,7 @@ object Dependencies {
   val Ver = new {
     val scala3      = "3.0.2"
     val `scala2.13` = "2.13.6"
-    val `scala2.12` = "2.12.12"
+    val `scala2.12` = "2.12.15"
 
     val organizeImports = "0.5.0"