diff --git a/dev-requirements.txt b/dev-requirements.txt
index e4b084a..41f12a7 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -12,10 +12,9 @@ appdirs==1.4.4 \
     --hash=sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41 \
     --hash=sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128 \
     # via virtualenv
-babel==2.8.0 \
-    --hash=sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38 \
-    --hash=sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4 \
-    # via sphinx
+babel==2.10.3 \
+    --hash=sha256:7614553711ee97490f732126dc077f8d0ae084ebc6a96e23db1482afabdb2c51 \
+    --hash=sha256:ff56f4892c1c4bf0d814575ea23471c230d544203c7748e8c68f0089478d48eb    # via sphinx
 bleach==3.1.5 \
     --hash=sha256:2bce3d8fab545a6528c8fa5d9f9ae8ebc85a56da365c7f85180bfe96a35ef22f \
     --hash=sha256:3c4c520fdb9db59ef139915a5db79f8b51bc2a7257ea0389f30c846883430a4b \