diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 4b50b6bfe7..15aa03afec 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -7,24 +7,16 @@ python-editor==0.5 \
     --hash=sha256:1184f947a0f5cfa0f9528766280ac90e8a07cbf43bedda17a4672e22cf91794e
 configobj==4.7.2 \
     --hash=sha256:515ff923462592e8321df8b48c47e3428f8d406ee22b8de77bef969d1af11171
-simplejson==3.9.0 \
-    --hash=sha256:2b59c8b5c647ca1acdb7e8708fb31b8752905880f4b1a8f5b2003576fff85944 \
-    --hash=sha256:b67392710365511b301cf304d2b5bf5c77a87d32da6dcdc0f23b8f0cdfca551c \
-    --hash=sha256:53ef39bf7b330f5048a3caa5637eaba640d6cfc7d238dcfa035035ccb3a66037 \
-    --hash=sha256:6743fcb9cb24c31ac4e560670582ec4d8d0508bd302c2272475652b4b3f2efcc \
-    --hash=sha256:04dd6075436f2cbc6caafda86a8cc4c759fa8d2e02035676703a0d19ec5221d7 \
-    --hash=sha256:fb808d081c2833212b66b3220294a3609026cf27d564aae67f77e39699c404e0 \
-    --hash=sha256:19f2e6d8bb8fe15d67dcd47fed05d18bd26a4d86f8db5b8b78512f4d5fd7aa97 \
-    --hash=sha256:c78750ec8d9ba080fb09aaabb402cd09379f99bb9982c4632c208075c11a7f11 \
-    --hash=sha256:e9abeee37424f4bfcd27d001d943582fb8c729ffc0b74b72bd0e9b626ed0d1b6 \
-    --hash=sha256:6a5bd380dcd4170db8aac1f7d48704e92263622a369dcaadef489f211fc33d0b \
-    --hash=sha256:578f5c6ad47309946eab8c2b8699e0211a6bb7cf1f92a11e1c8a9bf0aefbb2cd \
-    --hash=sha256:aa8532f1b0a7b9fd8a09de857c514fd06e52a2c396776200c5673359372b824e \
-    --hash=sha256:07325d74e215a556bb23e741326765e0406ea9bceac88646412f208e5ca1caa9 \
-    --hash=sha256:d6d5b0478209871e703d62ce3c5cf7b2ecbab1cfd31df9ca5db09911fdac77e0 \
-    --hash=sha256:4e9898d3afcabf16c1258fa3598e730c0c09359670ce66cbd5d04ed9e8077e8a \
-    --hash=sha256:d1c323c304e20fe91e721a9a256932b7b2dcfd605318f4ddd1b8a0d30329c87b \
-    --hash=sha256:85164d9b56c3205499b100e838277a9c8adb32ec5dc64e4dd21b4e9b70c28237
+simplejson==3.12.0 \
+    --hash=sha256:76bde9b007ca488a1cad6d33f426c7db264ac15c77dd129e04f96985146e08de \
+    --hash=sha256:28882620a269703081e5d956941229316e082abda747006027d6e2069910da56 \
+    --hash=sha256:3c546e6461b386e9bfe3fcee9d741d1b2d7cd5d0da72fc9ea89f3742e7e5cde7 \
+    --hash=sha256:8dde2b270c2d3bcb3042eeab40978e7ee31d501a058d6f63dd88a970d3397b7c \
+    --hash=sha256:df5e38f5e0a24abe0e02276aa5c3f8504150047a51c0b6b848b8153e6e6d395e \
+    --hash=sha256:0fdd7dda25f3ee55bb3d9191bd684f7e4e20d4e3dbac8d5ce07eb9ea2d43b8ff \
+    --hash=sha256:dfcc7bdcbbaf2ce6ec48fe77e14914f396a19e98d9d94e315d8a189440a7c4ba \
+    --hash=sha256:0b8d87a613338e3c4d8f9029bc1f5d8e3f36a91fbe571c00feb11e6a5c769f67 \
+    --hash=sha256:28e68ae32f372d9ec4db5ebd0532acb5b53164aef23f4cc2d2a6b3991908933e
 six==1.10.0 \
     --hash=sha256:0ff78c403d9bccf5a425a6d31a12aa6b47f1c21ca4dc2573a7e2f32a97335eb1 \
     --hash=sha256:105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a