diff --git a/gradle.properties b/gradle.properties
index cfe3410a9..ca5442def 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@ i2pCryptoEddsa=0.3.0
 multihashVersion=1.3.0
 googleTinkVer=1.9.0
 # testing
-testContainersVer=1.18.3
+testContainersVer=1.20.3
 junitVersion=5.9.3
 # logging
 logbackVer=1.2.3