diff --git a/docker/Dockerfile b/docker/Dockerfile
index fff05a6..5358118 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,6 +1,6 @@
 FROM openjdk:8-jdk-alpine
 
-RUN apk update && apk upgrade && apk add netcat-openbsd tzdata
+RUN apk update && apk upgrade && apk add netcat-openbsd tzdata && apk add --no-cache nss
 RUN mkdir -p /app
 ENV TZ Europe/Warsaw
 RUN echo "Europe/Warsaw" > /etc/timezone
diff --git a/docker/Dockerfile.arm b/docker/Dockerfile.arm
index bb65461..331cade 100644
--- a/docker/Dockerfile.arm
+++ b/docker/Dockerfile.arm
@@ -1,6 +1,6 @@
 FROM arm32v6/openjdk:8-alpine
 
-RUN apk update && apk upgrade && apk add netcat-openbsd tzdata
+RUN apk update && apk upgrade && apk add netcat-openbsd tzdata && apk add --no-cache nss
 RUN mkdir -p /app
 ENV TZ Europe/Warsaw
 RUN echo "Europe/Warsaw" > /etc/timezone
diff --git a/docker/Dockerfile.arm64 b/docker/Dockerfile.arm64
index 9911033..a347d8a 100644
--- a/docker/Dockerfile.arm64
+++ b/docker/Dockerfile.arm64
@@ -1,6 +1,6 @@
 FROM arm64v8/openjdk:8-alpine
 
-RUN apk update && apk upgrade && apk add netcat-openbsd tzdata
+RUN apk update && apk upgrade && apk add netcat-openbsd tzdata && apk add --no-cache nss
 RUN mkdir -p /app
 ENV TZ Europe/Warsaw
 RUN echo "Europe/Warsaw" > /etc/timezone