diff --git a/gradle.properties b/gradle.properties
index f92f02a..0255d0e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,16 +1,16 @@
 group = org.xbib
 name = elx
-version = 7.10.2.19
+version = 7.10.2.20
 
 org.gradle.warning.mode = ALL
-gradle.wrapper.version = 7.3
+gradle.wrapper.version = 7.3.2
 elasticsearch.version = 7.10.2
 # ES 7.10.2 uses Jackson 2.10.4
 jackson.version = 2.12.5
 # ES 7.10.2 uses Netty 4.1.49
-xbib-netty-http.version = 4.1.72.0
+xbib-netty-http.version = 4.1.72.1
 # ES 7.10.2 uses log4j2 2.11.1
-log4j.version = 2.16.0
+log4j.version = 2.17.1
 xbib-metrics.version = 2.2.0
 xbib-time.version = 2.1.0
 junit.version = 5.8.1
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fbce071..ac0b842 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-7.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists