diff --git a/requirements_test.txt b/requirements_test.txt
index e8f916b0d06..2fdb8992bfe 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,7 +1,7 @@
 # linters such as flake8 and pylint should be pinned, as new releases
 # make new things fail. Manually update these pins when pulling in a
 # new version
-asynctest==0.12.2
+asynctest==0.12.3
 codecov==2.0.15
 coveralls==1.2.0
 flake8-docstrings==1.3.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 2767f3aa38e..12c2f0e51ad 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -2,7 +2,7 @@
 # linters such as flake8 and pylint should be pinned, as new releases
 # make new things fail. Manually update these pins when pulling in a
 # new version
-asynctest==0.12.2
+asynctest==0.12.3
 codecov==2.0.15
 coveralls==1.2.0
 flake8-docstrings==1.3.0