diff --git a/Gemfile b/Gemfile
index ecc2da6f0547b3c213ece8df485451b5c2d3853f..ffd0f08f5f36552505e61000b541d31a7bec3d54 100644
--- a/Gemfile
+++ b/Gemfile
@@ -365,7 +365,7 @@ gem 'snowplow-tracker', '~> 0.8.0'
 
 # Metrics
 gem 'webrick', '~> 1.8.1', require: false
-gem 'prometheus-client-mmap', '~> 0.21', require: 'prometheus/client'
+gem 'prometheus-client-mmap', '~> 0.23', require: 'prometheus/client'
 
 gem 'warning', '~> 1.3.0'
 
diff --git a/Gemfile.checksum b/Gemfile.checksum
index 69b15f3b3688b38f57fdd2ecb2a881704bc691b8..902206aae5b2159e67da45043783c52a2c8edf3b 100644
--- a/Gemfile.checksum
+++ b/Gemfile.checksum
@@ -450,12 +450,11 @@
 {"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":"0.21.0","platform":"aarch64-linux","checksum":"8c3c2248229a65a9023675455a49a832eaa6bb162aa9a690abf08cb156d4a3eb"},
-{"name":"prometheus-client-mmap","version":"0.21.0","platform":"arm64-darwin","checksum":"486faca91f12e27e0f9b3ca635cb25ea6e0a1c661b075b60cd5eb9128dfbfd5e"},
-{"name":"prometheus-client-mmap","version":"0.21.0","platform":"ruby","checksum":"2942030214d83ac22741de01fa07b1492800f5521e28c87e56bd16bcbf40c3aa"},
-{"name":"prometheus-client-mmap","version":"0.21.0","platform":"x86_64-darwin","checksum":"35b55ab42d7e0a519f88b2318fc2b7bcfa903ece36e728ab93ba23d7a93df734"},
-{"name":"prometheus-client-mmap","version":"0.21.0","platform":"x86_64-linux","checksum":"77b39ad93a021afd2604f0472c7ea92f92b0beab968851f0e88fec610f194057"},
-{"name":"prometheus-client-mmap","version":"0.21.0","platform":"x86_64-linux-musl","checksum":"03d12d341d6bec557321344483cb6dcd4e3c99049d0054a4a9e4032f98842d77"},
+{"name":"prometheus-client-mmap","version":"0.23.0","platform":"aarch64-linux","checksum":"1f17600960e3d779ccf40da9e0603d8d754eceff6addb2f5b8482b10e93c980a"},
+{"name":"prometheus-client-mmap","version":"0.23.0","platform":"arm64-darwin","checksum":"8b1872583814e9d8bbf81032c67412fcec7a8130a2d1e7e4a5784cd3c7300a89"},
+{"name":"prometheus-client-mmap","version":"0.23.0","platform":"ruby","checksum":"e90b353fc583e0a317a3aeae02439a96e86d2193d4a3a31b733cafc6e4d6280b"},
+{"name":"prometheus-client-mmap","version":"0.23.0","platform":"x86_64-darwin","checksum":"d73d3a2b1f1d0f3e1f4b9b8b06c4471f1cf951a7e6b38b83f2f3eb4816500cac"},
+{"name":"prometheus-client-mmap","version":"0.23.0","platform":"x86_64-linux","checksum":"35dc742f4b3a718bda62c80cd618c0ec42accabf58f8330d92e39f67be58a0bf"},
 {"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"},
@@ -488,7 +487,7 @@
 {"name":"rake","version":"13.0.6","platform":"ruby","checksum":"5ce4bf5037b4196c24ac62834d8db1ce175470391026bd9e557d669beeb19097"},
 {"name":"rb-fsevent","version":"0.11.2","platform":"ruby","checksum":"43900b972e7301d6570f64b850a5aa67833ee7d87b458ee92805d56b7318aefe"},
 {"name":"rb-inotify","version":"0.10.1","platform":"ruby","checksum":"050062d4f31d307cca52c3f6a7f4b946df8de25fc4bd373e1a5142e41034a7ca"},
-{"name":"rb_sys","version":"0.9.73","platform":"ruby","checksum":"1beb59ee334861e9e67c40f9975a5297af1df43caa25bc814df185fead1b3f0f"},
+{"name":"rb_sys","version":"0.9.75","platform":"ruby","checksum":"435427cf071c40a684b4be20f14bb7e64e122e75b131f24101fa897c8ed9a8ff"},
 {"name":"rbtrace","version":"0.4.14","platform":"ruby","checksum":"162bbf89cecabfc4f09c869b655f6f3a679c4870ebb7cbdcadf7393a81cc1769"},
 {"name":"rbtree","version":"0.4.6","platform":"ruby","checksum":"14eea4469b24fd2472542e5f3eb105d6344c8ccf36f0b56d55fdcfeb4e0f10fc"},
 {"name":"rchardet","version":"1.8.0","platform":"ruby","checksum":"693acd5253d5ade81a51940697955f6dd4bb2f0d245bda76a8e23deec70a52c7"},
diff --git a/Gemfile.lock b/Gemfile.lock
index 2d2f2fa783845f114446a861ddf375c634036b75..25c6ed5539adfda8631dff76779297ca0cc3924b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1154,7 +1154,7 @@ GEM
       coderay
       parser
       unparser
-    prometheus-client-mmap (0.21.0)
+    prometheus-client-mmap (0.23.0)
       rb_sys (~> 0.9)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -1235,7 +1235,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rb_sys (0.9.73)
+    rb_sys (0.9.75)
     rbtrace (0.4.14)
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
@@ -1870,7 +1870,7 @@ DEPENDENCIES
   pg_query (~> 2.2, >= 2.2.1)
   png_quantizator (~> 0.2.1)
   premailer-rails (~> 1.10.3)
-  prometheus-client-mmap (~> 0.21)
+  prometheus-client-mmap (~> 0.23)
   pry-byebug
   pry-rails (~> 0.3.9)
   pry-shell (~> 0.6.1)