diff --git a/config/config.go b/config/config.go
index d02081d2e..9defa10d4 100644
--- a/config/config.go
+++ b/config/config.go
@@ -154,7 +154,7 @@ var (
 
 	DefaultRuntimeConfig = RuntimeConfig{
 		// Go runtime tuning.
-		GoGC: 50,
+		GoGC: 75,
 	}
 
 	// DefaultScrapeConfig is the default scrape configuration.
diff --git a/docs/configuration/configuration.md b/docs/configuration/configuration.md
index 26c088e13..f0e13cf13 100644
--- a/docs/configuration/configuration.md
+++ b/docs/configuration/configuration.md
@@ -125,7 +125,7 @@ runtime:
   # Configure the Go garbage collector GOGC parameter
   # See: https://tip.golang.org/doc/gc-guide#GOGC
   # Lowering this number increases CPU usage.
-  [ gogc: <int> | default = 50 ]
+  [ gogc: <int> | default = 75 ]
 
 # Rule files specifies a list of globs. Rules and alerts are read from
 # all matching files.