diff --git a/.circleci/config.yml b/.circleci/config.yml
index dc428d3a0b75af..cc86a51c4688e8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -42,11 +42,11 @@ aliases:
 
   - &restore-cache-buck
     keys:
-      - v2-buck-{{ arch }}-v2017.11.16.01
+      - v2-buck-{{ arch }}-v2018.02.16.01
   - &save-cache-buck
     paths:
       - ~/buck
-    key: v2-buck-{{ arch }}-v2017.11.16.01
+    key: v2-buck-{{ arch }}-v2018.02.16.01
 
   - &restore-cache-watchman
     keys:
@@ -101,7 +101,7 @@ aliases:
   - &install-buck
     |
       if [[ ! -e ~/buck ]]; then
-        git clone https://github.com/facebook/buck.git ~/buck --branch v2017.11.16.01 --depth=1
+        git clone https://github.com/facebook/buck.git ~/buck --branch v2018.02.16.01 --depth=1
       fi
       cd ~/buck && ant
       buck --version