diff --git a/pyproject.toml b/pyproject.toml
index da58b602..2785e646 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
 ]
 requires-python = ">=3.11, <3.13"
 dependencies = [
-    "numpy==2.2.6",
+    "numpy==2.3.1",
     "lalsuite==7.26.1",
     "h5py~=3.11",
     "arviz~=0.19",
diff --git a/requirements.txt b/requirements.txt
index 4f432438..3792ea2f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==2.2.6
+numpy==2.3.1
 lalsuite==7.26.1
 h5py~=3.12
 arviz~=0.20