diff --git a/example/prometheus/go.mod b/example/prometheus/go.mod
index 53e6ecc95861..ce6b8d762a2c 100644
--- a/example/prometheus/go.mod
+++ b/example/prometheus/go.mod
@@ -3,7 +3,7 @@ module go.opentelemetry.io/otel/example/prometheus
 go 1.22
 
 require (
-	github.com/prometheus/client_golang v1.20.2
+	github.com/prometheus/client_golang v1.20.3
 	go.opentelemetry.io/otel v1.29.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.51.0
 	go.opentelemetry.io/otel/metric v1.29.0
diff --git a/example/prometheus/go.sum b/example/prometheus/go.sum
index 304a664f6a3f..6d4d624792ad 100644
--- a/example/prometheus/go.sum
+++ b/example/prometheus/go.sum
@@ -21,8 +21,8 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_golang v1.20.2 h1:5ctymQzZlyOON1666svgwn3s6IKWgfbjsejTMiXIyjg=
-github.com/prometheus/client_golang v1.20.2/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
+github.com/prometheus/client_golang v1.20.3 h1:oPksm4K8B+Vt35tUhw6GbSNSgVlVSBH0qELP/7u83l4=
+github.com/prometheus/client_golang v1.20.3/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.58.0 h1:N+N8vY4/23r6iYfD3UQZUoJPnUYAo7v6LG5XZxjZTXo=
diff --git a/exporters/prometheus/go.mod b/exporters/prometheus/go.mod
index 024eac3bf7d7..1412a425812c 100644
--- a/exporters/prometheus/go.mod
+++ b/exporters/prometheus/go.mod
@@ -3,7 +3,7 @@ module go.opentelemetry.io/otel/exporters/prometheus
 go 1.22
 
 require (
-	github.com/prometheus/client_golang v1.20.2
+	github.com/prometheus/client_golang v1.20.3
 	github.com/prometheus/client_model v0.6.1
 	github.com/stretchr/testify v1.9.0
 	go.opentelemetry.io/otel v1.29.0
diff --git a/exporters/prometheus/go.sum b/exporters/prometheus/go.sum
index e90316aec142..06fae12a429f 100644
--- a/exporters/prometheus/go.sum
+++ b/exporters/prometheus/go.sum
@@ -26,8 +26,8 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_golang v1.20.2 h1:5ctymQzZlyOON1666svgwn3s6IKWgfbjsejTMiXIyjg=
-github.com/prometheus/client_golang v1.20.2/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
+github.com/prometheus/client_golang v1.20.3 h1:oPksm4K8B+Vt35tUhw6GbSNSgVlVSBH0qELP/7u83l4=
+github.com/prometheus/client_golang v1.20.3/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
 github.com/prometheus/common v0.58.0 h1:N+N8vY4/23r6iYfD3UQZUoJPnUYAo7v6LG5XZxjZTXo=