diff --git a/build.gradle b/build.gradle
index f89467a1ffd2a0e75f2e05508c41f89ea967f7a2..37d09792cccacd5b93e8ad864160915e3b9bb5cd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ dependencies {
 	implementation(group: 'de.hhu.stups', name: 'ltlparser', version: parser_version)
 
 	testImplementation(group: 'junit', name: 'junit', version: '4.13.2')
-	testImplementation(group: 'de.hhu.stups', name: 'tla2bAST', version: '1.1.3')
+	testImplementation(group: 'de.hhu.stups', name: 'tla2bAST', version: '1.1.5')
 }
 
 java {