diff --git a/go.mod b/go.mod
index 5730c95..7a3ee52 100644
--- a/go.mod
+++ b/go.mod
@@ -126,7 +126,7 @@ require (
 	golang.org/x/oauth2 v0.15.0 // indirect
 	golang.org/x/sys v0.15.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	maunium.net/go/maulogger/v2 v2.4.1 // indirect
 	willnorris.com/go/webmention v0.0.0-20220108183051-4a23794272f0 // indirect
diff --git a/go.sum b/go.sum
index 0aef4fa..65c42d6 100644
--- a/go.sum
+++ b/go.sum
@@ -378,8 +378,8 @@ google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAs
 google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
+google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/httpFs.go b/httpFs.go
index 1bb2cf9..4ace892 100644
--- a/httpFs.go
+++ b/httpFs.go
@@ -29,5 +29,6 @@ func (a *goBlog) serveFs(f fs.FS, basePath string) http.HandlerFunc {
 		default:
 			_, _ = io.Copy(w, file)
 		}
+		_ = file.Close()
 	}
 }
diff --git a/main.go b/main.go
index 3c907fc..2089c42 100644
--- a/main.go
+++ b/main.go
@@ -67,12 +67,6 @@ func main() {
 		return
 	}
 
-	// Initialize plugins
-	if err = app.initPlugins(); err != nil {
-		app.logErrAndQuit("Failed to init plugins:", err.Error())
-		return
-	}
-
 	// Healthcheck tool
 	if len(os.Args) >= 2 && os.Args[1] == "healthcheck" {
 		// Connect to public address + "/ping" and exit with 0 when successful
@@ -97,6 +91,12 @@ func main() {
 		return
 	}
 
+	// Initialize plugins
+	if err = app.initPlugins(); err != nil {
+		app.logErrAndQuit("Failed to init plugins:", err.Error())
+		return
+	}
+
 	// Start pprof server
 	if pprofCfg := app.cfg.Pprof; pprofCfg != nil && pprofCfg.Enabled {
 		go func() {
diff --git a/pkgs/highlighting/highlighting.go b/pkgs/highlighting/highlighting.go
index 47ffd49..2f9f616 100644
--- a/pkgs/highlighting/highlighting.go
+++ b/pkgs/highlighting/highlighting.go
@@ -95,7 +95,7 @@ type highlighting struct{}
 // Highlighting is a goldmark.Extender implementation.
 var Highlighting = &highlighting{}
 
-var Style = styles.Monokai
+var Style = styles.Get("monokai")
 
 // Extend implements goldmark.Extender.
 func (*highlighting) Extend(m goldmark.Markdown) {
diff --git a/plugins/customcss/src/customcss/customcss.go b/plugins/customcss/src/customcss/customcss.go
index 0620760..b3d6d01 100644
--- a/plugins/customcss/src/customcss/customcss.go
+++ b/plugins/customcss/src/customcss/customcss.go
@@ -47,11 +47,9 @@ func (p *plugin) RenderWithDocument(_ plugintypes.RenderContext, doc *goquery.Do
 			fmt.Println("Failed to open custom css file: ", err.Error())
 			return
 		}
-		defer func() {
-			_ = f.Close()
-		}()
 
 		err = p.app.CompileAsset("plugincustomcss.css", f)
+		_ = f.Close()
 		if err != nil {
 			fmt.Println("Failed compile custom css: ", err.Error())
 			return
diff --git a/profileImage.go b/profileImage.go
index 9ec8f14..7afacc3 100644
--- a/profileImage.go
+++ b/profileImage.go
@@ -157,6 +157,7 @@ func (a *goBlog) profileImageHash() string {
 			return nil, nil
 		}
 		_, _ = io.Copy(hash, file)
+		_ = file.Close()
 		a.profileImageHashString = fmt.Sprintf("%x", hash.Sum(nil))
 		return nil, nil
 	})
@@ -194,6 +195,7 @@ func (a *goBlog) serveUpdateProfileImage(w http.ResponseWriter, r *http.Request)
 	}
 	_, err = io.Copy(dataFile, file)
 	_ = file.Close()
+	_ = dataFile.Close()
 	if err != nil {
 		a.serveError(w, r, "Failed to save image", http.StatusBadRequest)
 		return