diff --git a/gradle.properties b/gradle.properties
index 2fc658b8..13c88db5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ version=1.1.0-SNAPSHOT
 puppycrawlCheckstyleVersion=10.12.0
 checkstyleToolVersion=7.8.2
 githubSpotbugsVersion=5.0.14
-githubJohnrengelmanShadowVersion=8.1.0
+githubJohnrengelmanShadowVersion=7.1.2
 underCouchDownloadVersion=5.4.0
 researchgateReleaseVersion=2.8.0
 testngVersion=7.6.1
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fae08049..98debb84 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-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists