diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c33d56c..2a52076 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.18]
+        scala: [2.12.20]
         java: [temurin@11, temurin@17]
     runs-on: ${{ matrix.os }}
     steps:
@@ -79,7 +79,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.18]
+        scala: [2.12.20]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -114,12 +114,12 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Download target directories (2.12.18)
+      - name: Download target directories (2.12.20)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-2.12.18-${{ matrix.java }}
+          name: target-${{ matrix.os }}-2.12.20-${{ matrix.java }}
 
-      - name: Inflate target directories (2.12.18)
+      - name: Inflate target directories (2.12.20)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/build.sbt b/build.sbt
index 6f0b4a3..56f3ef3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 import java.time.LocalDate
 
 ThisBuild / scalafixDependencies += Dependencies.organizeimports
-ThisBuild / scalaVersion := "2.12.18"
+ThisBuild / scalaVersion := "2.12.20"
 
 addCommandAlias("codeFmt", ";headerCreate;scalafmtAll;scalafmtSbt;scalafixAll")
 addCommandAlias("codeVerify", ";scalafmtCheckAll;scalafmtSbtCheck;scalafixAll --check;headerCheck")