diff --git a/preprocessor/build.gradle b/preprocessor/build.gradle
index 397c17ef8..5a2de3fe3 100644
--- a/preprocessor/build.gradle
+++ b/preprocessor/build.gradle
@@ -2,7 +2,7 @@
 dependencies {
 	implementation group: 'commons-io', name: 'commons-io', version: '2.13.0'
 	// https://mvnrepository.com/artifact/com.bpodgursky/jbool_expressions
-	implementation group: 'com.bpodgursky', name: 'jbool_expressions', version: '1.22'
+	implementation group: 'com.bpodgursky', name: 'jbool_expressions', version: '1.24'
 
 	implementation project(':ecco-base')