diff --git a/prepare_osx_build_environment.sh b/prepare_osx_build_environment.sh
index 55866fe2b..e7cf3e88e 100755
--- a/prepare_osx_build_environment.sh
+++ b/prepare_osx_build_environment.sh
@@ -5,8 +5,8 @@ set -e
 
 ######### Versions of libraries/frameworks to be compiled
 QT_VER="5.12.12"
-OPENSSL_VER="1.1.1l"
-OPENLDAP_VER="2.6.0"
+OPENSSL_VER="1.1.1m"
+OPENLDAP_VER="2.6.1"
 REBUILD=false
 BUILD_PATH=~/cmake_builds
 : ${MACOSX_DEPLOYMENT_TARGET:="10.14"}