diff --git a/Gemfile b/Gemfile
index fabf7e4a49f06f6e65662cb092fce2320e7c257e..36fd7464013d82c01fc93b7fc2e9d8e295825427 100644
--- a/Gemfile
+++ b/Gemfile
@@ -381,7 +381,7 @@ gem 'snowplow-tracker', '~> 0.8.0'
 
 # Metrics
 gem 'webrick', '~> 1.8.1', require: false
-gem 'prometheus-client-mmap', '~> 0.27', require: 'prometheus/client'
+gem 'prometheus-client-mmap', '~> 0.28', require: 'prometheus/client'
 
 gem 'warning', '~> 1.3.0'
 
diff --git a/Gemfile.checksum b/Gemfile.checksum
index 30006d240216b2cd0aa9ac181fdbcc6a019a8e3b..dc1ec99036a55681b50ed9648131b88799c43b80 100644
--- a/Gemfile.checksum
+++ b/Gemfile.checksum
@@ -451,11 +451,11 @@
 {"name":"premailer","version":"1.16.0","platform":"ruby","checksum":"03e4402c448e6bae13fb5f6301a8bde4f3508e1bff90ae7c0972c7be94694786"},
 {"name":"premailer-rails","version":"1.10.3","platform":"ruby","checksum":"7cdcb97027866f7a81c490c6d15ada7f39666b5f6375f0821b7e97e0483b112f"},
 {"name":"proc_to_ast","version":"0.1.0","platform":"ruby","checksum":"92a73fa66e2250a83f8589f818b0751bcf227c68f85916202df7af85082f8691"},
-{"name":"prometheus-client-mmap","version":"0.27.0","platform":"aarch64-linux","checksum":"307c880989a7963c2a7e00ed941e49a192c8fcc2dca23579041ddc0d930c349c"},
-{"name":"prometheus-client-mmap","version":"0.27.0","platform":"arm64-darwin","checksum":"224a21c9a9ee2823ba683e1229d29314a61405e26371a8405afcb83030a38932"},
-{"name":"prometheus-client-mmap","version":"0.27.0","platform":"ruby","checksum":"716f57a352e8fa00b3ec24056ae26c64f5f0e6f076244b1e39b57db86b2f7067"},
-{"name":"prometheus-client-mmap","version":"0.27.0","platform":"x86_64-darwin","checksum":"95300e4a739cd9a6d17bf83bfeca4b2460b5cd8480a82be40f714940f41b6d83"},
-{"name":"prometheus-client-mmap","version":"0.27.0","platform":"x86_64-linux","checksum":"43776c1e27b546077288558cb532ae939b0e8cceecafc0cf62386d9f6b2a0140"},
+{"name":"prometheus-client-mmap","version":"0.28.0","platform":"aarch64-linux","checksum":"3e69581021c2117293f603990cff499fde94fe7741cecab0590359653e90d3f2"},
+{"name":"prometheus-client-mmap","version":"0.28.0","platform":"arm64-darwin","checksum":"889c8ec7173b7713107edd92cb33ab8489202254e8597adf9e2137b05eade3fd"},
+{"name":"prometheus-client-mmap","version":"0.28.0","platform":"ruby","checksum":"f3e14e8c5d3e5cbec0436620e3f813ab329259db5b34000e93c4ecf5770dcd7b"},
+{"name":"prometheus-client-mmap","version":"0.28.0","platform":"x86_64-darwin","checksum":"2ec7f200ba332ec314f7f387ab26f4aa5e18f1bd7c084beb17c3ad6bcdb7f265"},
+{"name":"prometheus-client-mmap","version":"0.28.0","platform":"x86_64-linux","checksum":"e04a4915567f81365ba86e3fe7f1dd512f8ae0a6b5169e0acfe6433205c87c57"},
 {"name":"pry","version":"0.14.2","platform":"java","checksum":"fd780670977ba04ff7ee32dabd4d02fe4bf02e977afe8809832d5dca1412862e"},
 {"name":"pry","version":"0.14.2","platform":"ruby","checksum":"c4fe54efedaca1d351280b45b8849af363184696fcac1c72e0415f9bdac4334d"},
 {"name":"pry-byebug","version":"3.10.1","platform":"ruby","checksum":"c8f975c32255bfdb29e151f5532130be64ff3d0042dc858d0907e849125581f8"},
diff --git a/Gemfile.lock b/Gemfile.lock
index 9256ebc9b03a6f317f15e9ef9d2cf89a0920e6a4..e25460969a1d4e9cdd59d99d4736bdbdcdc9665e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1208,7 +1208,7 @@ GEM
       coderay
       parser
       unparser
-    prometheus-client-mmap (0.27.0)
+    prometheus-client-mmap (0.28.0)
       rb_sys (~> 0.9)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -1946,7 +1946,7 @@ DEPENDENCIES
   pg_query (~> 4.2.3)
   png_quantizator (~> 0.2.1)
   premailer-rails (~> 1.10.3)
-  prometheus-client-mmap (~> 0.27)
+  prometheus-client-mmap (~> 0.28)
   pry-byebug
   pry-rails (~> 0.3.9)
   pry-shell (~> 0.6.4)