diff --git a/requirements-cpu.txt b/requirements-cpu.txt
index 3a33513..fc0b8e4 100644
--- a/requirements-cpu.txt
+++ b/requirements-cpu.txt
@@ -11,7 +11,7 @@ networkx==2.1
 numpy==1.14.5
 Pillow==5.2.0
 pkginfo==1.4.2
-protobuf==3.6.0
+protobuf==3.12.2
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5
diff --git a/requirements.txt b/requirements.txt
index 9265cf1..c4ac0d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ networkx==2.1
 numpy==1.14.5
 Pillow==5.2.0
 pkginfo==1.4.2
-protobuf==3.6.0
+protobuf==3.12.2
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5