diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 70864e860..fb821355f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -142,7 +142,7 @@ jobs:
     name: 'Linux (JDK 11), Newest Guava'
     runs-on: ubuntu-latest
     env:
-      GUAVA: 32.1.1-jre # newest supported Guava version
+      GUAVA: 33.4.0-jre # newest supported Guava version
     steps:
       - name: 'Set up JDK 11'
         uses: actions/setup-java@v4
diff --git a/gradle.properties b/gradle.properties
index 06f4f3db5..18e5f6014 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -61,7 +61,7 @@ bytebuddy.version=1.15.1
 dropwizard-metrics.version=4.0.5
 # We support Guava versions as old as 14.0.1 (the version used by Hive)
 # but prefer more recent versions.
-guava.version=32.1.1-jre
+guava.version=33.4.0-jre
 hamcrest.version=1.3
 hsqldb.version=2.4.1
 h2.version=1.4.197