diff --git a/grails-shell/build.gradle b/grails-shell/build.gradle
index 070b3df0822..c8731a80ca5 100644
--- a/grails-shell/build.gradle
+++ b/grails-shell/build.gradle
@@ -38,7 +38,7 @@ dependencies {
     }
 
     testImplementation "net.sf.expectit:expectit-core:0.9.0"
-    testImplementation "com.github.jnr:jnr-posix:3.1.10"
+    testImplementation "com.github.jnr:jnr-posix:3.1.11"
 
     runtimeOnly "org.slf4j:slf4j-simple:$slf4jVersion"
     runtimeOnly "org.codehaus.plexus:plexus-component-api:1.0-alpha-33"