diff --git a/requirements/main.txt b/requirements/main.txt
index f56a5e73ac9e..d245bc7c3108 100644
--- a/requirements/main.txt
+++ b/requirements/main.txt
@@ -1413,9 +1413,9 @@ python-slugify==8.0.1 \
     --hash=sha256:70ca6ea68fe63ecc8fa4fcf00ae651fc8a5d02d93dcd12ae6d4fc7ca46c4d395 \
     --hash=sha256:ce0d46ddb668b3be82f4ed5e503dbc33dd815d83e2eb6824211310d3fb172a27
     # via -r requirements/main.in
-pytz==2023.3.post1 \
-    --hash=sha256:7b4fddbeb94a1eba4b557da24f19fdf9db575192544270a9101d8509f9f43d7b \
-    --hash=sha256:ce42d816b81b68506614c11e8937d3aa9e41007ceb50bfdcb0749b921bf646c7
+pytz==2023.4 \
+    --hash=sha256:31d4583c4ed539cd037956140d695e42c033a19e984bfce9964a3f7d59bc2b40 \
+    --hash=sha256:f90ef520d95e7c46951105338d918664ebfd6f1d995bd7d153127ce90efafa6a
     # via -r requirements/main.in
 readme-renderer[md]==42.0 \
     --hash=sha256:13d039515c1f24de668e2c93f2e877b9dbe6c6c32328b90a40a49d8b2b85f36d \
diff --git a/requirements/tests.txt b/requirements/tests.txt
index fe1c0bc9878b..bc59111cad4a 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -254,9 +254,9 @@ python-dateutil==2.8.2 \
     # via
     #   faker
     #   freezegun
-pytz==2023.3.post1 \
-    --hash=sha256:7b4fddbeb94a1eba4b557da24f19fdf9db575192544270a9101d8509f9f43d7b \
-    --hash=sha256:ce42d816b81b68506614c11e8937d3aa9e41007ceb50bfdcb0749b921bf646c7
+pytz==2023.4 \
+    --hash=sha256:31d4583c4ed539cd037956140d695e42c033a19e984bfce9964a3f7d59bc2b40 \
+    --hash=sha256:f90ef520d95e7c46951105338d918664ebfd6f1d995bd7d153127ce90efafa6a
     # via -r requirements/tests.in
 pyyaml==6.0.1 \
     --hash=sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc \