diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7335401..11391fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.14, 2.13.6, 3.0.1]
+        scala: [2.12.20, 2.13.6, 3.0.1]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -48,15 +48,15 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - if: matrix.scala == '2.12.14'
+      - if: matrix.scala == '2.12.20'
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
 
-      - if: matrix.scala == '2.12.14'
+      - if: matrix.scala == '2.12.20'
         run: gem install sass
 
-      - if: matrix.scala == '2.12.14'
+      - if: matrix.scala == '2.12.20'
         run: gem install jekyll -v 3.2.1
 
       - name: Check that workflows are up to date
@@ -65,5 +65,5 @@ jobs:
       - name: Validate unit tests and binary compatibility
         run: sbt --client '++${{ matrix.scala }}; test; mimaReportBinaryIssues'
 
-      - if: matrix.scala == '2.12.14'
+      - if: matrix.scala == '2.12.20'
         run: sbt --client '++${{ matrix.scala }}; docs/makeMicrosite'
\ No newline at end of file
diff --git a/build.sbt b/build.sbt
index 205276d..cbad078 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-val Scala212 = "2.12.14"
+val Scala212 = "2.12.20"
 
 ThisBuild / crossScalaVersions := Seq(Scala212, "2.13.6", "3.0.1")
 ThisBuild / scalaVersion := Scala212