diff --git a/requirements/dev-3.6-dev.txt b/requirements/dev-3.6-dev.txt
index 71add95..a5afd6b 100644
--- a/requirements/dev-3.6-dev.txt
+++ b/requirements/dev-3.6-dev.txt
@@ -30,7 +30,7 @@ pickleshare==0.7.5        # via ipython
 pluggy==0.12.0            # via pytest
 prompt-toolkit==2.0.9     # via ipython
 ptyprocess==0.6.0         # via pexpect
-py==1.8.0                 # via pytest
+py==1.10.0                 # via pytest
 pycodestyle==2.5.0        # via flake8
 pycryptodome==3.8.2
 pyflakes==2.1.1           # via flake8
diff --git a/requirements/dev-3.6.txt b/requirements/dev-3.6.txt
index a3afc26..953e1fb 100644
--- a/requirements/dev-3.6.txt
+++ b/requirements/dev-3.6.txt
@@ -44,7 +44,7 @@ pluggy==0.12.0            # via pytest
 prompt-toolkit==2.0.9     # via ipython
 protobuf==3.9.0           # via google-api-core, googleapis-common-protos
 ptyprocess==0.6.0         # via pexpect
-py==1.8.0                 # via pytest
+py==1.10.0                 # via pytest
 pyasn1-modules==0.2.5     # via google-auth
 pyasn1==0.4.5             # via pyasn1-modules, rsa
 pycodestyle==2.5.0        # via flake8
diff --git a/requirements/dev-3.7-dev.txt b/requirements/dev-3.7-dev.txt
index a3afc26..953e1fb 100644
--- a/requirements/dev-3.7-dev.txt
+++ b/requirements/dev-3.7-dev.txt
@@ -44,7 +44,7 @@ pluggy==0.12.0            # via pytest
 prompt-toolkit==2.0.9     # via ipython
 protobuf==3.9.0           # via google-api-core, googleapis-common-protos
 ptyprocess==0.6.0         # via pexpect
-py==1.8.0                 # via pytest
+py==1.10.0                 # via pytest
 pyasn1-modules==0.2.5     # via google-auth
 pyasn1==0.4.5             # via pyasn1-modules, rsa
 pycodestyle==2.5.0        # via flake8
diff --git a/requirements/dev-3.7.txt b/requirements/dev-3.7.txt
index a3afc26..953e1fb 100644
--- a/requirements/dev-3.7.txt
+++ b/requirements/dev-3.7.txt
@@ -44,7 +44,7 @@ pluggy==0.12.0            # via pytest
 prompt-toolkit==2.0.9     # via ipython
 protobuf==3.9.0           # via google-api-core, googleapis-common-protos
 ptyprocess==0.6.0         # via pexpect
-py==1.8.0                 # via pytest
+py==1.10.0                 # via pytest
 pyasn1-modules==0.2.5     # via google-auth
 pyasn1==0.4.5             # via pyasn1-modules, rsa
 pycodestyle==2.5.0        # via flake8