diff --git a/testers/testers/java/bin/install.sh b/testers/testers/java/bin/install.sh
index 452afaf1..af6fe57b 100755
--- a/testers/testers/java/bin/install.sh
+++ b/testers/testers/java/bin/install.sh
@@ -4,7 +4,7 @@ set -e
 
 install_packages() {
     echo "[JAVA-INSTALL] Installing system packages"
-    sudo apt-get install python3 openjdk-11-jdk jq
+    sudo apt-get install python3 openjdk-8-jdk jq
 }
 
 compile_tester() {
diff --git a/testers/testers/java/bin/uninstall.sh b/testers/testers/java/bin/uninstall.sh
index 0c916c9f..148be4a6 100755
--- a/testers/testers/java/bin/uninstall.sh
+++ b/testers/testers/java/bin/uninstall.sh
@@ -26,5 +26,5 @@ JAVADIR=${TESTERDIR}/lib
 # main
 remove_tester
 reset_specs
-echo "[JAVA-UNINSTALL] The following system packages have not been uninstalled: python3 openjdk-11-jdk jq. You may uninstall them if you wish."
+echo "[JAVA-UNINSTALL] The following system packages have not been uninstalled: python3 openjdk-12-jdk jq. You may uninstall them if you wish."
 rm -f ${SPECSDIR}/.installed
diff --git a/testers/testers/jdbc/bin/install.sh b/testers/testers/jdbc/bin/install.sh
index cd59faef..a5d34e26 100755
--- a/testers/testers/jdbc/bin/install.sh
+++ b/testers/testers/jdbc/bin/install.sh
@@ -4,7 +4,7 @@ set -e
 
 install_packages() {
     echo "[JDBC-INSTALL] Installing system packages"
-    sudo apt-get install python3 openjdk-11-jdk jq
+    sudo apt-get install python3 openjdk-8-jdk jq
 }
 
 install_sql_tester() {
diff --git a/testers/testers/jdbc/bin/uninstall.sh b/testers/testers/jdbc/bin/uninstall.sh
index 243c35ec..7f6a93cb 100755
--- a/testers/testers/jdbc/bin/uninstall.sh
+++ b/testers/testers/jdbc/bin/uninstall.sh
@@ -18,6 +18,6 @@ SPECSDIR=${TESTERDIR}/specs
 
 # main
 reset_specs
-echo "[JDBC-UNINSTALL] The following system packages have not been uninstalled: python3 openjdk-11-jdk. You may uninstall them if you wish."
+echo "[JDBC-UNINSTALL] The following system packages have not been uninstalled: python3 openjdk-12-jdk. You may uninstall them if you wish."
 echo "[JDBC-UNINSTALL] The JDBC tester also installs the SQL tester. To remove the SQL tester as well run the uninstall.sh script in the sql/bin directory."
 rm -f ${SPECSDIR}/.installed