diff --git a/Gemfile b/Gemfile
index 139774bdb5d..928e1e116a6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -359,7 +359,7 @@ group :development, :test do
   gem 'benchmark-ips', '~> 2.3.0', require: false
 
   gem 'license_finder', '~> 3.1', require: false
-  gem 'knapsack', '~> 1.11.0'
+  gem 'knapsack', '~> 1.16'
 
   gem 'activerecord_sane_schema_dumper', '0.2'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 10b683a44ee..8a0da87ba7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -450,9 +450,8 @@ GEM
       kaminari-core (= 1.0.1)
     kaminari-core (1.0.1)
     kgio (2.10.0)
-    knapsack (1.11.0)
+    knapsack (1.16.0)
       rake
-      timecop (>= 0.1.0)
     kubeclient (2.2.0)
       http (= 0.9.8)
       recursive-open-struct (= 1.0.0)
@@ -1089,7 +1088,7 @@ DEPENDENCIES
   json-schema (~> 2.8.0)
   jwt (~> 1.5.6)
   kaminari (~> 1.0)
-  knapsack (~> 1.11.0)
+  knapsack (~> 1.16)
   kubeclient (~> 2.2.0)
   letter_opener_web (~> 1.3.0)
   license_finder (~> 3.1)
diff --git a/changelogs/unreleased/44235-update-knapsack-to-1-16-0.yml b/changelogs/unreleased/44235-update-knapsack-to-1-16-0.yml
new file mode 100644
index 00000000000..265d36b763f
--- /dev/null
+++ b/changelogs/unreleased/44235-update-knapsack-to-1-16-0.yml
@@ -0,0 +1,5 @@
+---
+title: Update knapsack to 1.16.0
+merge_request: 17735
+author: Takuya Noguchi
+type: other