diff --git a/Dockerfile b/Dockerfile
index ba83fde7..3b53c752 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine AS builder
 
 COPY . /go/src/github.com/42wim/matterbridge
-RUN apk update && apk add go git gcc musl-dev \
+RUN apk --no-cache add go git gcc musl-dev \
         && cd /go/src/github.com/42wim/matterbridge \
         && export GOPATH=/go \
         && go get \
diff --git a/bridge/telegram/handlers.go b/bridge/telegram/handlers.go
index 2479f689..6180cbb7 100644
--- a/bridge/telegram/handlers.go
+++ b/bridge/telegram/handlers.go
@@ -405,7 +405,7 @@ func (b *Btelegram) handleUploadFile(msg *config.Message, chatid int64) string {
 			captiontext = msg.Username + html.EscapeString(fi.Comment)
 			parsemode = tgbotapi.ModeHTML
 		}
-		re := regexp.MustCompile(".(jpg|png)$")
+		re := regexp.MustCompile(".(jpg|jpe|png)$")
 		if re.MatchString(fi.Name) {
 			pc := tgbotapi.NewPhotoUpload(chatid, file)
 			pc.Caption = captiontext