diff --git a/client-groovy4/build.gradle.kts b/client-groovy4/build.gradle.kts
index a526c7dd..f40127fe 100644
--- a/client-groovy4/build.gradle.kts
+++ b/client-groovy4/build.gradle.kts
@@ -68,7 +68,7 @@ dependencies {
       implementation(it) {
         version {
           strictly("[1.6,3)")
-          prefer("2.0.20")
+          prefer("2.0.21")
         }
       }
     }
diff --git a/client/build.gradle.kts b/client/build.gradle.kts
index 5a69b3d3..5f0772a7 100644
--- a/client/build.gradle.kts
+++ b/client/build.gradle.kts
@@ -68,7 +68,7 @@ dependencies {
       implementation(it) {
         version {
           strictly("[1.6,3)")
-          prefer("2.0.20")
+          prefer("2.0.21")
         }
       }
     }
diff --git a/explore/build.gradle.kts b/explore/build.gradle.kts
index 9768d912..ffad3b73 100644
--- a/explore/build.gradle.kts
+++ b/explore/build.gradle.kts
@@ -33,7 +33,7 @@ dependencies {
       implementation(it) {
         version {
           strictly("[1.6,3)")
-          prefer("2.0.20")
+          prefer("2.0.21")
         }
       }
     }
diff --git a/integration-test/build.gradle.kts b/integration-test/build.gradle.kts
index e98356f2..ce714d7b 100644
--- a/integration-test/build.gradle.kts
+++ b/integration-test/build.gradle.kts
@@ -69,7 +69,7 @@ dependencies {
       implementation(it) {
         version {
           strictly("[1.6,3)")
-          prefer("2.0.20")
+          prefer("2.0.21")
         }
       }
     }