diff --git a/requirements.in b/requirements.in
index 271f9f23..b490565a 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,5 +1,5 @@
 pelican[markdown]==4.12.0
-pytz==2026.3.post1
+pytz==2026.4
 ghp-import==2.1.0
 pathspec==1.1.1
 python-dateutil==2.9.0.post0
diff --git a/requirements.txt b/requirements.txt
index 0145cb79..9dd94411 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -342,9 +342,9 @@ python-dateutil==2.9.0.post0 \
     #   -r requirements.in
     #   ghp-import
     #   pelican
-pytz==2026.3.post1 \
-    --hash=sha256:2211d3fcf9a797d3405cac96ac7f61d80e6a644f72a3309607282fe8a2010c5d \
-    --hash=sha256:dd95840dd199baea12d9cc096a1d452caa6596a1c1e4b5f3dbd1541855d5e815
+pytz==2026.4 \
+    --hash=sha256:464303645bafafd72418898368b2429458f709cf1eb6a15372fbcc396b64da63 \
+    --hash=sha256:9d514388fbc89ca0833203464272ac485b8828568ab73532f5020f17e892a0ff
     # via -r requirements.in
 pyyaml==6.0.3 \
     --hash=sha256:00c4bdeba853cc34e7dd471f16b4114f4162dc03e6b7afcc2128711f0eca823c \