diff --git a/tools/dependency/requirements.txt b/tools/dependency/requirements.txt
index cd7d87167afd..d958b03f15f5 100644
--- a/tools/dependency/requirements.txt
+++ b/tools/dependency/requirements.txt
@@ -103,9 +103,9 @@ pyparsing==2.4.7 \
     --hash=sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1 \
     --hash=sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b
     # via packaging
-pytz==2021.1 \
-    --hash=sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da \
-    --hash=sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798
+pytz==2021.3 \
+    --hash=sha256:3672058bc3453457b622aab7a1c3bfd5ab0bdae451512f6cf25f64ed37f5b87c \
+    --hash=sha256:acad2d8b20a1af07d4e4c9d2e9285c5ed9104354062f275f3fcd88dcef4f1326
     # via -r requirements.in
 requests==2.26.0 \
     --hash=sha256:6c1246513ecd5ecd4528a0906f910e8f0f9c6b8ec72030dc9fd154dc1a6efd24 \