diff --git a/Gemfile b/Gemfile
index c699b8b942..e3a0495d41 100644
--- a/Gemfile
+++ b/Gemfile
@@ -45,7 +45,7 @@ group :doc do
 end
 
 # Active Support.
-gem "dalli", ">= 2.2.1"
+gem "dalli", "2.7.6"
 gem "listen", ">= 3.0.5", "< 3.2", require: false
 gem "libxml-ruby", platforms: :ruby
 gem "connection_pool", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 58d751c4c3..eaf90a7cfa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -510,7 +510,7 @@ DEPENDENCIES
   chromedriver-helper
   coffee-rails
   connection_pool
-  dalli (>= 2.2.1)
+  dalli (= 2.7.6)
   delayed_job
   delayed_job_active_record
   google-cloud-storage (~> 1.8)