diff --git a/requirements.txt b/requirements.txt
index 823486b080c9ade9b69ff5949d1fe7768979cdad..ef041ad9cd02c2d53af3875cb4cecf7d2d077d5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 six==1.*
 numpy==1.*
 scipy>=0.18
-nibabel>=2.3
+nibabel>=2.3.1