diff --git a/requirements/reproducible-linux.txt b/requirements/reproducible-linux.txt
index cb5cc3ab9f..0d820b4c8e 100644
--- a/requirements/reproducible-linux.txt
+++ b/requirements/reproducible-linux.txt
@@ -1170,9 +1170,9 @@ typing-inspection==0.4.2 \
     --hash=sha256:4ed1cacbdc298c220f1bd249ed5287caa16f34d44ef4e9c3d0cbad5b521545e7 \
     --hash=sha256:ba561c48a67c5958007083d386c3295464928b01faa735ab8547c5692e87f464
     # via pydantic
-tzdata==2025.3 \
-    --hash=sha256:06a47e5700f3081aab02b2e513160914ff0694bce9947d6b76ebd6bf57cfc5d1 \
-    --hash=sha256:de39c2ca5dc7b0344f2eba86f49d614019d29f060fc4ebc8a417896a620b56a7
+tzdata==2026.1 \
+    --hash=sha256:4b1d2be7ac37ceafd7327b961aa3a54e467efbdb563a23655fbfe0d39cfc42a9 \
+    --hash=sha256:67658a1903c75917309e753fdc349ac0efd8c27db7a0cb406a25be4840f87f98
     # via arrow
 tzlocal==5.3.1 \
     --hash=sha256:cceffc7edecefea1f595541dbd6e990cb1ea3d19bf01b2809f362a03dd7921fd \
diff --git a/requirements/reproducible-mac.txt b/requirements/reproducible-mac.txt
index 53e36e5bb6..e71e9343e2 100644
--- a/requirements/reproducible-mac.txt
+++ b/requirements/reproducible-mac.txt
@@ -1170,9 +1170,9 @@ typing-inspection==0.4.2 \
     --hash=sha256:4ed1cacbdc298c220f1bd249ed5287caa16f34d44ef4e9c3d0cbad5b521545e7 \
     --hash=sha256:ba561c48a67c5958007083d386c3295464928b01faa735ab8547c5692e87f464
     # via pydantic
-tzdata==2025.3 \
-    --hash=sha256:06a47e5700f3081aab02b2e513160914ff0694bce9947d6b76ebd6bf57cfc5d1 \
-    --hash=sha256:de39c2ca5dc7b0344f2eba86f49d614019d29f060fc4ebc8a417896a620b56a7
+tzdata==2026.1 \
+    --hash=sha256:4b1d2be7ac37ceafd7327b961aa3a54e467efbdb563a23655fbfe0d39cfc42a9 \
+    --hash=sha256:67658a1903c75917309e753fdc349ac0efd8c27db7a0cb406a25be4840f87f98
     # via arrow
 tzlocal==5.3.1 \
     --hash=sha256:cceffc7edecefea1f595541dbd6e990cb1ea3d19bf01b2809f362a03dd7921fd \
diff --git a/requirements/reproducible-win.txt b/requirements/reproducible-win.txt
index 9256f493b0..fac2874130 100644
--- a/requirements/reproducible-win.txt
+++ b/requirements/reproducible-win.txt
@@ -1181,9 +1181,9 @@ typing-inspection==0.4.2 \
     --hash=sha256:4ed1cacbdc298c220f1bd249ed5287caa16f34d44ef4e9c3d0cbad5b521545e7 \
     --hash=sha256:ba561c48a67c5958007083d386c3295464928b01faa735ab8547c5692e87f464
     # via pydantic
-tzdata==2025.3 \
-    --hash=sha256:06a47e5700f3081aab02b2e513160914ff0694bce9947d6b76ebd6bf57cfc5d1 \
-    --hash=sha256:de39c2ca5dc7b0344f2eba86f49d614019d29f060fc4ebc8a417896a620b56a7
+tzdata==2026.1 \
+    --hash=sha256:4b1d2be7ac37ceafd7327b961aa3a54e467efbdb563a23655fbfe0d39cfc42a9 \
+    --hash=sha256:67658a1903c75917309e753fdc349ac0efd8c27db7a0cb406a25be4840f87f98
     # via
     #   arrow
     #   tzlocal