diff --git a/docs/requirements.txt b/docs/requirements.txt
index f0cc5e6c..ddc1d265 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,6 @@
 Sphinx >= 1.0
 pygraphviz
 Pykka >= 1.1
+# Require newer requests than what Travis/Debian has to work around linkcheck crash
+requests > 2.4.3
 sphinx_rtd_theme