diff --git a/blog/Gemfile.lock b/blog/Gemfile.lock
index 3447183..b92e687 100644
--- a/blog/Gemfile.lock
+++ b/blog/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     base64 (0.3.0)
     bigdecimal (4.1.2)
     colorator (1.1.0)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     csv (3.3.5)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
@@ -175,7 +175,7 @@ CHECKSUMS
   bigdecimal (4.1.2) sha256=53d217666027eab4280346fba98e7d5b66baaae1b9c3c1c0ffe89d48188a3fbd
   bundler (4.0.14) sha256=d09a0a965cf772266a7e49e83610be7c2f4e49e61134c42a56804bb383cc24b8
   colorator (1.1.0) sha256=e2f85daf57af47d740db2a32191d1bdfb0f6503a0dfbc8327d0c9154d5ddfc38
-  concurrent-ruby (1.3.6) sha256=6b56837e1e7e5292f9864f34b69c5a2cbc75c0cf5338f1ce9903d10fa762d5ab
+  concurrent-ruby (1.3.7) sha256=4412caec3a5ea2e5fdc52076724c071a81f2c0593d83b2ac8cbb8ca63b3151b0
   csv (3.3.5) sha256=6e5134ac3383ef728b7f02725d9872934f523cb40b961479f69cf3afa6c8e73f
   em-websocket (0.5.3) sha256=f56a92bde4e6cb879256d58ee31f124181f68f8887bd14d53d5d9a292758c6a8
   eventmachine (1.2.7) sha256=994016e42aa041477ba9cff45cbe50de2047f25dd418eba003e84f0d16560972