diff --git a/3rdparty/python/lockfiles/user_reqs.txt b/3rdparty/python/lockfiles/user_reqs.txt
index 3a025ad80cb..76fdc855552 100644
--- a/3rdparty/python/lockfiles/user_reqs.txt
+++ b/3rdparty/python/lockfiles/user_reqs.txt
@@ -3,7 +3,7 @@
 #    build-support/bin/generate_all_lockfiles.sh
 #
 # --- BEGIN PANTS LOCKFILE METADATA: DO NOT EDIT OR REMOVE ---
-# invalidation digest: 8060f207b7f54fc3fd04d2e815359f3240e90ece00700d3904cc72e45bb0b9e0
+# invalidation digest: d81e918117ed40ef2bd5e63c13a4f116211891f7b38f47d065ef0b55425f0de0
 # --- END PANTS LOCKFILE METADATA ---
 
 #
@@ -117,9 +117,9 @@ iniconfig==1.1.1 \
     --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3 \
     --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32
     # via pytest
-packaging==20.9 \
-    --hash=sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5 \
-    --hash=sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a
+packaging==21.0 \
+    --hash=sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7 \
+    --hash=sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14
     # via
     #   -r reqs.txt
     #   pytest
diff --git a/3rdparty/python/requirements.txt b/3rdparty/python/requirements.txt
index e7f475ebbc0..30a71a98d0a 100644
--- a/3rdparty/python/requirements.txt
+++ b/3rdparty/python/requirements.txt
@@ -7,7 +7,7 @@ freezegun==1.1.0
 humbug==0.2.6
 
 ijson==3.1.4
-packaging==20.9
+packaging==21.0
 pex==2.1.44
 psutil==5.8.0
 pystache==0.5.4