diff --git a/Dockerfile b/Dockerfile
index 3c83724..afb7ae4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -63,7 +63,7 @@ ARG PRODUCT_NAME=onlyoffice-documentserver
 RUN echo "$REPO_URL" | tee /etc/apt/sources.list.d/onlyoffice.list && \
     apt-get -y update && \
     service postgresql start && \
-    apt-get --allow-unauthenticated -yq install $PRODUCT_NAME && \
+    apt-get -yq install $PRODUCT_NAME && \
     service postgresql stop && \
     service supervisor stop && \
     chmod 755 /app/onlyoffice/*.sh && \
diff --git a/Makefile b/Makefile
index 40cccd0..3065889 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ BUILD_NUMBER ?= 0
 
 PACKAGE_VERSION := $(PRODUCT_VERSION)-$(BUILD_NUMBER)
 
-REPO_URL := "deb http://repo-doc-onlyoffice-com.s3.amazonaws.com/ubuntu/trusty/$(COMPANY_NAME)-$(PRODUCT_NAME)/$(GIT_BRANCH)/$(PACKAGE_VERSION)/ repo/"
+REPO_URL := "deb [trusted=yes] http://repo-doc-onlyoffice-com.s3.amazonaws.com/ubuntu/trusty/$(COMPANY_NAME)-$(PRODUCT_NAME)/$(GIT_BRANCH)/$(PACKAGE_VERSION)/ repo/"
 
 UPDATE_LATEST := false