diff --git a/requirements/dev-locked.txt b/requirements/dev-locked.txt
index e49c716..f404c77 100644
--- a/requirements/dev-locked.txt
+++ b/requirements/dev-locked.txt
@@ -131,9 +131,9 @@ idna==2.6 \
 ipaddress==1.0.18 \
     --hash=sha256:d34cf15d95ce9a734560f7400a8bd2ac2606f378e2a1d0eadbf1c98707e7c74a \
     --hash=sha256:5d8534c8e185f2d8a1fda1ef73f2c8f4b23264e8e30063feeb9511d492a413e1
-py==1.4.34 \
-    --hash=sha256:2ccb79b01769d99115aa600d7eed99f524bf752bba8f041dc1c184853514655a \
-    --hash=sha256:0f2d585d22050e90c7d293b6451c83db097df77871974d90efd5a30dc12fcde3
+py==1.10.0 \
+    --hash=sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a \
+    --hash=sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3
 pycparser==2.18 \
     --hash=sha256:99a8ca03e29851d96616ad0404b4aad7d9ee16f25c9f9708a11faf2810f7b226
 pyOpenSSL==17.3.0 \