diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e753ce5..52dfe69 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.13, 2.13.5]
+        scala: [2.12.13, 2.13.6]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -77,7 +77,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.5]
+        scala: [2.13.6]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -113,12 +113,12 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
-      - name: Download target directories (2.13.5)
+      - name: Download target directories (2.13.6)
         uses: actions/download-artifact@v2
         with:
-          name: target-${{ matrix.os }}-2.13.5-${{ matrix.java }}
+          name: target-${{ matrix.os }}-2.13.6-${{ matrix.java }}
 
-      - name: Inflate target directories (2.13.5)
+      - name: Inflate target directories (2.13.6)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/build.sbt b/build.sbt
index 471d5d7..6c50dbd 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ homepage := Some(url("http://sangria-graphql.org"))
 licenses := Seq(
   "Apache License, ASL Version 2.0" → url("http://www.apache.org/licenses/LICENSE-2.0"))
 
-ThisBuild / crossScalaVersions := Seq("2.12.13", "2.13.5")
+ThisBuild / crossScalaVersions := Seq("2.12.13", "2.13.6")
 ThisBuild / scalaVersion := crossScalaVersions.value.last
 ThisBuild / githubWorkflowPublishTargetBranches := List()
 ThisBuild / githubWorkflowBuildPreamble ++= List(