diff --git a/pyproject.toml b/pyproject.toml
index 254ce9c4..0c3073df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dynamic = [
 dependencies = [
   "cycler>=0.10",
   "matplotlib>=3.3",
-  "numpy>=1.21.2",
+  "numpy>=1.22",
   "pyglotaran>=0.7",
   "tabulate>=0.8.9",
   "xarray>=2022.3",
diff --git a/requirements_min.txt b/requirements_min.txt
index 0917a175..e622faaa 100644
--- a/requirements_min.txt
+++ b/requirements_min.txt
@@ -1,7 +1,7 @@
 # Minimum versions runtime dependencies
 
 cycler==0.10
-numpy==1.21.2
+numpy==1.22
 matplotlib==3.3
 pyglotaran==0.7.2
 tabulate==0.8.9