diff --git a/pyproject.toml b/pyproject.toml
index cd650953..c6b6789c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 requires-python = ">=3.11, <3.12"
 dependencies = [
     "numpy==2.2.6",
-    "lalsuite==7.26.1",
+    "lalsuite==7.26.4",
     "h5py~=3.11",
     "arviz~=0.19",
     "pandas~=2.2",
diff --git a/requirements.txt b/requirements.txt
index f4237b16..b39100e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numpy==2.2.6
-lalsuite==7.26.1
+lalsuite==7.26.4
 h5py~=3.11
 arviz~=0.19
 pandas~=2.2