diff --git a/build.gradle b/build.gradle
index 167808e..8e3e7ca 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ ext {
     
     lib_antlr = "org.antlr:antlr4:4.7.2"
     
-    lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.3'
+    lib_commons_collections4 = 'org.apache.commons:commons-collections4:4.4'
     lib_commons_lang3 = 'org.apache.commons:commons-lang3:3.9'
     lib_guava = 'com.google.guava:guava:28.0-jre'
     lib_jackson_databind = 'com.fasterxml.jackson.core:jackson-databind:2.9.9.1'
@@ -121,5 +121,5 @@ allprojects {
 }
 
 wrapper {
-    gradleVersion = '5.5'
+    gradleVersion = '5.5.1'
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index b0acbdc..4b7e1f3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists