diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2241c59..54046f6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 bump2version==1.0.1
-h5py==3.4.0
-numpy==1.21.2
-packaging==21.0
+h5py==3.5.0
+numpy==1.21.3
+packaging==21.2
 pytest==6.2.5
 pytest-flake8==1.0.7
 pytest-cov==3.0.0
diff --git a/requirements.txt b/requirements.txt
index afd9404..0aad0f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-h5py==3.4.0
-numpy==1.21.2
-packaging==21.0
+h5py==3.5.0
+numpy==1.21.3
+packaging==21.2