diff --git a/.constraints/py3.10.txt b/.constraints/py3.10.txt
index e2785108..45d91c23 100644
--- a/.constraints/py3.10.txt
+++ b/.constraints/py3.10.txt
@@ -3,7 +3,7 @@
 absl-py==2.1.0
 accessible-pygments==0.0.5
 alabaster==0.7.16
-ampform==0.15.2
+ampform==0.15.3
 anyio==4.3.0
 argon2-cffi==23.1.0
 argon2-cffi-bindings==21.2.0
diff --git a/.constraints/py3.11.txt b/.constraints/py3.11.txt
index 3b6525c0..856bdcbb 100644
--- a/.constraints/py3.11.txt
+++ b/.constraints/py3.11.txt
@@ -3,7 +3,7 @@
 absl-py==2.1.0
 accessible-pygments==0.0.5
 alabaster==0.7.16
-ampform==0.15.2
+ampform==0.15.3
 anyio==4.3.0
 argon2-cffi==23.1.0
 argon2-cffi-bindings==21.2.0
diff --git a/.constraints/py3.12.txt b/.constraints/py3.12.txt
index 7c9b7af2..c5d58763 100644
--- a/.constraints/py3.12.txt
+++ b/.constraints/py3.12.txt
@@ -3,7 +3,7 @@
 absl-py==2.1.0
 accessible-pygments==0.0.5
 alabaster==0.7.16
-ampform==0.15.2
+ampform==0.15.3
 anyio==4.3.0
 argon2-cffi==23.1.0
 argon2-cffi-bindings==21.2.0
diff --git a/.constraints/py3.8.txt b/.constraints/py3.8.txt
index ba33f382..dc62b24a 100644
--- a/.constraints/py3.8.txt
+++ b/.constraints/py3.8.txt
@@ -3,7 +3,7 @@
 absl-py==2.1.0
 accessible-pygments==0.0.4
 alabaster==0.7.13
-ampform==0.15.2
+ampform==0.15.3
 anyio==4.3.0
 argon2-cffi==23.1.0
 argon2-cffi-bindings==21.2.0
diff --git a/.constraints/py3.9.txt b/.constraints/py3.9.txt
index 9f325131..d41bd3d3 100644
--- a/.constraints/py3.9.txt
+++ b/.constraints/py3.9.txt
@@ -3,7 +3,7 @@
 absl-py==2.1.0
 accessible-pygments==0.0.5
 alabaster==0.7.16
-ampform==0.15.2
+ampform==0.15.3
 anyio==4.3.0
 argon2-cffi==23.1.0
 argon2-cffi-bindings==21.2.0