diff --git a/requirements.txt b/requirements.txt
index 5ea5e9a..5d2b556 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ pyOpenSSL==19.0.0
 brotli==1.0.7
 protobuf==3.11.3
 ipaddr==2.2.0
-mock==3.0.5
+mock==5.1.0
 ordereddict==1.1
 simplejson==3.16.0
 usercustomize==1.0.0
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 5ea5e9a..5d2b556 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -11,7 +11,7 @@ pyOpenSSL==19.0.0
 brotli==1.0.7
 protobuf==3.11.3
 ipaddr==2.2.0
-mock==3.0.5
+mock==5.1.0
 ordereddict==1.1
 simplejson==3.16.0
 usercustomize==1.0.0
diff --git a/requirements/prod.txt b/requirements/prod.txt
index 5ea5e9a..5d2b556 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -11,7 +11,7 @@ pyOpenSSL==19.0.0
 brotli==1.0.7
 protobuf==3.11.3
 ipaddr==2.2.0
-mock==3.0.5
+mock==5.1.0
 ordereddict==1.1
 simplejson==3.16.0
 usercustomize==1.0.0
diff --git a/requirements/test.txt b/requirements/test.txt
index 5ea5e9a..5d2b556 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -11,7 +11,7 @@ pyOpenSSL==19.0.0
 brotli==1.0.7
 protobuf==3.11.3
 ipaddr==2.2.0
-mock==3.0.5
+mock==5.1.0
 ordereddict==1.1
 simplejson==3.16.0
 usercustomize==1.0.0