diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3f6bee7..5a241079 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.19, 2.13.14]
+        scala: [2.12.20, 2.13.14]
         java: [temurin@8]
         spark: [2.4.1, 2.4.7, 2.4.8, 3.0.1, 3.0.3, 3.1.1, 3.1.2, 3.1.3, 3.2.4, 3.3.4, 3.4.1, 3.4.3, 3.5.2]
         exclude:
@@ -96,7 +96,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.19]
+        scala: [2.12.20]
         java: [temurin@8]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sc b/build.sc
index d6ba3c91..07fff109 100644
--- a/build.sc
+++ b/build.sc
@@ -139,7 +139,7 @@ trait SparkModule extends Cross.Module2[String, String] with SbtModule with CiRe
 }
 
 val scala213 = "2.13.14"
-val scala212 = "2.12.19"
+val scala212 = "2.12.20"
 val spark24 = List("2.4.1", "2.4.7", "2.4.8")
 val spark30 = List("3.0.1", "3.0.3")
 val spark31 = List("3.1.1", "3.1.2", "3.1.3")