diff --git a/.gitignore b/.gitignore
index 5c9a1d9271f74acdd0a90676c0564340d9d61369..dc10c7c5367c3dd92e78694a9d7f9ec55c445a0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+notes/
+snippets/
 make_output.txt
 *.org~
 *.so
diff --git a/requirements.txt b/requirements.txt
index d3a7a63f698e2f317d19267786206902a3130b00..4e216d9a369f9ab6ed1ff2b43a6cbcada5eaddde 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,7 @@ clang==6.0.0.2
 cycler==0.10.0
 decorator==4.4.1
 docutils==0.15.2
+h5py==2.10.0
 hawkmoth==0.4
 idna==2.8
 imagesize==1.1.0