diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8d97fa20..8e2484f4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.8, 3.1.3]
+        scala: [2.13.18, 3.1.3]
         java: [temurin@11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -105,12 +105,12 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Download target directories (2.13.8)
+      - name: Download target directories (2.13.18)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-2.13.8-${{ matrix.java }}
+          name: target-${{ matrix.os }}-2.13.18-${{ matrix.java }}
 
-      - name: Inflate target directories (2.13.8)
+      - name: Inflate target directories (2.13.18)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/build.sbt b/build.sbt
index 9785e28a..5e074113 100644
--- a/build.sbt
+++ b/build.sbt
@@ -122,7 +122,7 @@ ThisBuild / githubWorkflowEnv ++= List(
 ).map(envKey => envKey -> s"$${{ secrets.$envKey }}").toMap
 
 lazy val scala3 = "3.1.3"
-lazy val scala2_13 = "2.13.8"
+lazy val scala2_13 = "2.13.18"
 lazy val scala2_12 = "2.12.16"
 
 lazy val scala2Only = Seq(scala2_12, scala2_13)