diff --git a/misc/protobuf3/protobuf3.SlackBuild b/misc/protobuf3/protobuf3.SlackBuild
index 163ef957f4..9a15ce19ad 100644
--- a/misc/protobuf3/protobuf3.SlackBuild
+++ b/misc/protobuf3/protobuf3.SlackBuild
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=protobuf3
-VERSION=${VERSION:-3.5.1.1}
+VERSION=${VERSION:-3.5.2}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
diff --git a/misc/protobuf3/protobuf3.info b/misc/protobuf3/protobuf3.info
index 399cb32bd7..27efe7a10d 100644
--- a/misc/protobuf3/protobuf3.info
+++ b/misc/protobuf3/protobuf3.info
@@ -1,9 +1,9 @@
 PRGNAM="protobuf3"
-VERSION="3.5.1.1"
+VERSION="3.5.2"
 HOMEPAGE="https://github.com/google/protobuf"
-DOWNLOAD="https://github.com/google/protobuf/archive/v3.5.1.1/protobuf-3.5.1.1.tar.gz \
+DOWNLOAD="https://github.com/google/protobuf/archive/v3.5.2/protobuf-3.5.2.tar.gz \
 	  https://github.com/google/googletest/archive/release-1.8.0/googletest-release-1.8.0.tar.gz"
-MD5SUM="5005003ae6b94773c4bbca87a644b131 \
+MD5SUM="ff6742018c172c66ecc627029ad54280 \
 	16877098823401d1bf2ed7891d7dce36"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""