diff --git a/.github/workflows/verify.yaml b/.github/workflows/verify.yaml
index 60194f5e..37796ca8 100644
--- a/.github/workflows/verify.yaml
+++ b/.github/workflows/verify.yaml
@@ -19,7 +19,7 @@ name: GitHub Actions
 on: [push, pull_request]
 
 env:
-  GRAALVM_VERSION: '20.2.0.java11'
+  GRAALVM_VERSION: '20.3.0.java11'
 
 jobs:
 
diff --git a/README.adoc b/README.adoc
index 19099ff5..04613d8c 100644
--- a/README.adoc
+++ b/README.adoc
@@ -124,9 +124,9 @@ mvnd clean install
 [source,shell]
 ----
 $ $JAVA_HOME/bin/java -version
-openjdk version "11.0.7" 2020-04-14
-OpenJDK Runtime Environment GraalVM CE 20.1.0 (build 11.0.7+10-jvmci-20.1-b02)
-OpenJDK 64-Bit Server VM GraalVM CE 20.1.0 (build 11.0.7+10-jvmci-20.1-b02, mixed mode, sharing)
+openjdk version "11.0.9" 2020-10-20
+OpenJDK Runtime Environment GraalVM CE 20.3.0 (build 11.0.9+10-jvmci-20.3-b06)
+OpenJDK 64-Bit Server VM GraalVM CE 20.3.0 (build 11.0.9+10-jvmci-20.3-b06, mixed mode, sharing)
 ----
 +
 * Install the `native-image` tool:
diff --git a/pom.xml b/pom.xml
index 8b33c7b8..8968b0ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <!-- dependency versions a..z -->
         <assertj.version>3.16.1</assertj.version>
         <commons-compress.version>1.20</commons-compress.version>
-        <graalvm.version>20.2.0</graalvm.version>
+        <graalvm.version>20.3.0</graalvm.version>
         <groovy.version>3.0.0</groovy.version>
         <jakarta.inject.version>1.0</jakarta.inject.version>
         <jline.version>3.17.1</jline.version>