diff --git a/README.md b/README.md
index 3958704..7cfdecc 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A Python package for graph kernels, graph edit distances and graph pre-image pro
 ## Requirements
 
 * python>=3.5
-* numpy>=1.15.2
+* numpy>=1.16.2
 * scipy>=1.1.0
 * matplotlib>=3.0.0
 * networkx>=2.2
diff --git a/requirements.txt b/requirements.txt
index 56401d4..853d485 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy>=1.15.2
+numpy>=1.16.2
 scipy>=1.1.0
 matplotlib>=3.0.0
 networkx>=2.2