diff --git a/cache.go b/cache.go
index f42b378..071d075 100644
--- a/cache.go
+++ b/cache.go
@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"net/url"
+	"runtime"
 	"strconv"
 	"strings"
 	"time"
@@ -210,6 +211,10 @@ func getCache(key string, next http.Handler, r *http.Request) (item *cacheItem)
 
 func purgeCache() {
 	cacheR.Clear()
+	// Do manual GC
+	go func() {
+		runtime.GC()
+	}()
 }
 
 func setInternalCacheExpirationHeader(w http.ResponseWriter, expiration int) {
diff --git a/http.go b/http.go
index ec2ed0e..3c7c2ed 100644
--- a/http.go
+++ b/http.go
@@ -6,6 +6,7 @@ import (
 	"log"
 	"net/http"
 	"net/url"
+	"runtime"
 	"strconv"
 	"strings"
 	"sync/atomic"
@@ -89,6 +90,11 @@ func reloadRouter() error {
 	}
 	purgeCache()
 	d.swapHandler(h)
+	// Do manual GC
+	go func() {
+		time.Sleep(10 * time.Second)
+		runtime.GC()
+	}()
 	return nil
 }