diff --git a/requirements.txt b/requirements.txt
index 32ba285..90ba209 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -519,9 +519,9 @@ python-magic==0.4.27 \
     --hash=sha256:c1ba14b08e4a5f5c31a302b7721239695b2f0f058d125bd5ce1ee36b9d9d3c3b \
     --hash=sha256:c212960ad306f700aa0d01e5d7a325d20548ff97eb9920dcd29513174f0294d3
     # via mastodon-py
-pytz==2023.3.post1 \
-    --hash=sha256:7b4fddbeb94a1eba4b557da24f19fdf9db575192544270a9101d8509f9f43d7b \
-    --hash=sha256:ce42d816b81b68506614c11e8937d3aa9e41007ceb50bfdcb0749b921bf646c7
+pytz==2023.4 \
+    --hash=sha256:31d4583c4ed539cd037956140d695e42c033a19e984bfce9964a3f7d59bc2b40 \
+    --hash=sha256:f90ef520d95e7c46951105338d918664ebfd6f1d995bd7d153127ce90efafa6a
     # via tempora
 requests==2.31.0 \
     --hash=sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f \