diff --git a/Gemfile b/Gemfile
index 53c2c2241af4b395cbc304cf28972c30d2caaba4..3e3e190eb163eac9bd977318d4a20a8ad518f317 100644
--- a/Gemfile
+++ b/Gemfile
@@ -375,7 +375,7 @@ gem 'snowplow-tracker', '~> 0.8.0'
 
 # Metrics
 gem 'webrick', '~> 1.8.1', require: false
-gem 'prometheus-client-mmap', '~> 0.26', require: 'prometheus/client'
+gem 'prometheus-client-mmap', '~> 0.26', '>= 0.26.1', require: 'prometheus/client'
 
 gem 'warning', '~> 1.3.0'
 
diff --git a/Gemfile.checksum b/Gemfile.checksum
index 0361b4afa44f8ccf013811e0171c6bcd1b2b67f3..4b9af8cc5ffe06b1be5fc8c1205396373f84fc6f 100644
--- a/Gemfile.checksum
+++ b/Gemfile.checksum
@@ -455,11 +455,11 @@
 {"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":"0.26.0","platform":"aarch64-linux","checksum":"07f5bc884bd79f47668f92ce425a722a15db107c4389b7390ed67cb3897d39f3"},
-{"name":"prometheus-client-mmap","version":"0.26.0","platform":"arm64-darwin","checksum":"b830b992bac97df6584e22ef52a5c41adcd94d72f586910d0b84192fb84fde1a"},
-{"name":"prometheus-client-mmap","version":"0.26.0","platform":"ruby","checksum":"84dcb1c34cf9fbe638d686a431e77e4cec0ddf78b496231c4f1a27e84de1ad78"},
-{"name":"prometheus-client-mmap","version":"0.26.0","platform":"x86_64-darwin","checksum":"41028cd826378dfc87beeaa674b636b5989dcdb30ceb1c1a7a1b712535558c12"},
-{"name":"prometheus-client-mmap","version":"0.26.0","platform":"x86_64-linux","checksum":"3f2e42863d5f7a8bbd323f7bd7df0ce2ceab6df91e280703c735cfe5680d1eb2"},
+{"name":"prometheus-client-mmap","version":"0.26.1","platform":"aarch64-linux","checksum":"ec4100c06d79f8d8efa35711cb006c7076b346894499fe204ddb606d1f0f0959"},
+{"name":"prometheus-client-mmap","version":"0.26.1","platform":"arm64-darwin","checksum":"6fdf9cc0579f533e10d4421bbde7767659ab30138004bcfea27f28d60a359097"},
+{"name":"prometheus-client-mmap","version":"0.26.1","platform":"ruby","checksum":"44f3b86b2d3fba5be80662102cad5e5d71595e6f579dc37ee040bdfbb6312527"},
+{"name":"prometheus-client-mmap","version":"0.26.1","platform":"x86_64-darwin","checksum":"f7f251f39777fda01cee17e3659db6cca524b5ad38824fd815cf98f142d647c7"},
+{"name":"prometheus-client-mmap","version":"0.26.1","platform":"x86_64-linux","checksum":"0d48749ac8f5045629caed44c89540b0ba62793d99062cd8f474deb83cbb98f1"},
 {"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 f6536bcf525c759a914d764a20a5617f7e0407d9..435f11cd4ff35377c22a0c35ed9255fb01b35bec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1209,7 +1209,7 @@ GEM
       coderay
       parser
       unparser
-    prometheus-client-mmap (0.26.0)
+    prometheus-client-mmap (0.26.1)
       rb_sys (~> 0.9)
     pry (0.14.2)
       coderay (~> 1.1)
@@ -1938,7 +1938,7 @@ DEPENDENCIES
   pg_query (~> 4.2.1)
   png_quantizator (~> 0.2.1)
   premailer-rails (~> 1.10.3)
-  prometheus-client-mmap (~> 0.26)
+  prometheus-client-mmap (~> 0.26, >= 0.26.1)
   pry-byebug
   pry-rails (~> 0.3.9)
   pry-shell (~> 0.6.1)