diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index 740cb9c73..2e45a32f7 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -1146,9 +1146,9 @@ pytz==2015.7 \
     --hash=sha256:fbd26746772c24cb93c8b97cbdad5cb9e46c86bbdb1b9d8a743ee00e2fb1fc5d \
     --hash=sha256:99266ef30a37e43932deec2b7ca73e83c8dbc3b9ff703ec73eca6b1dae6befea \
     --hash=sha256:8b6ce1c993909783bc96e0b4f34ea223bff7a4df2c90bdb9c4e0f1ac928689e3
-requests==2.12.1 \
-    --hash=sha256:3f3f27a9d0f9092935efc78054ef324eb9f8166718270aefe036dfa1e4f68e1e \
-    --hash=sha256:2109ecea94df90980be040490ff1d879971b024861539abb00054062388b612e
+requests==2.20.0 \
+    --hash=sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c \
+    --hash=sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279
 six==1.10.0 \
     --hash=sha256:0ff78c403d9bccf5a425a6d31a12aa6b47f1c21ca4dc2573a7e2f32a97335eb1 \
     --hash=sha256:105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a