diff --git a/curl/Dockerfile b/curl/Dockerfile
index df14dc3..54bbe9b 100644
--- a/curl/Dockerfile
+++ b/curl/Dockerfile
@@ -13,7 +13,7 @@ RUN apk add --no-cache \
 	nghttp2 \
 	openssl
 
-ENV CURL_VERSION 7.65.3
+ENV CURL_VERSION 7.66.0
 
 RUN set -x \
     && apk add --no-cache --virtual .build-deps \
diff --git a/gcloud/Dockerfile b/gcloud/Dockerfile
index bbc5aa5..50949ba 100644
--- a/gcloud/Dockerfile
+++ b/gcloud/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:2-alpine
 
 ENV PATH $PATH:/usr/src/google-cloud-sdk/bin
-ENV CLOUD_SDK_DOCKER_VERSION 260.0.0
+ENV CLOUD_SDK_DOCKER_VERSION 262.0.0
 
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \
diff --git a/plexpy/Dockerfile b/plexpy/Dockerfile
index 9247b2d..4eca232 100644
--- a/plexpy/Dockerfile
+++ b/plexpy/Dockerfile
@@ -15,7 +15,7 @@ RUN apk add --no-cache \
 	py-pip
 
 # Get the source
-ENV PLEXPY_VERSION v2.1.33
+ENV PLEXPY_VERSION v2.1.34
 RUN git clone https://github.com/Tautulli/Tautulli.git /opt/plexpy \
 	&& ( \
 		cd /opt/plexpy \
diff --git a/powershell/Dockerfile b/powershell/Dockerfile
index 5dfd2b4..e1666aa 100644
--- a/powershell/Dockerfile
+++ b/powershell/Dockerfile
@@ -1,7 +1,7 @@
 FROM debian:stretch-slim
 LABEL maintainer "Christian Koep <christiankoep@gmail.com>"
 
-ENV POWERSHELL_VERSION 6.2.2
+ENV POWERSHELL_VERSION 6.2.3
 
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
diff --git a/terraform/Dockerfile b/terraform/Dockerfile
index 6343c73..d8e550c 100644
--- a/terraform/Dockerfile
+++ b/terraform/Dockerfile
@@ -13,7 +13,7 @@ RUN	apk add --no-cache \
 	musl-dev \
 	zip
 
-ENV TERRAFORM_VERSION v0.12.7
+ENV TERRAFORM_VERSION v0.12.8
 
 RUN go get github.com/hashicorp/terraform || true
 
diff --git a/vault/Dockerfile b/vault/Dockerfile
index 266ddb4..2dfe737 100644
--- a/vault/Dockerfile
+++ b/vault/Dockerfile
@@ -14,9 +14,9 @@ RUN	apk add --no-cache \
 	yarn \
 	zip
 
-ENV VAULT_VERSION v1.2.2
+ENV VAULT_VERSION v1.2.3
 
-RUN go get github.com/hashicorp/vault
+RUN go get github.com/hashicorp/vault || true
 
 WORKDIR /go/src/github.com/hashicorp/vault
 
diff --git a/watchtower/Dockerfile b/watchtower/Dockerfile
index de4a25b..84fd184 100644
--- a/watchtower/Dockerfile
+++ b/watchtower/Dockerfile
@@ -10,7 +10,7 @@ RUN apk --no-cache add \
 ENV PATH /go/bin:/usr/local/go/bin:$PATH
 ENV GOPATH /go
 
-ENV WATCHTOWER_VERSION v0.3.8
+ENV WATCHTOWER_VERSION v0.3.9
 
 RUN git clone --depth 1 --branch ${WATCHTOWER_VERSION} https://github.com/containrrr/watchtower /go/src/github.com/containrrr/watchtower
 
diff --git a/wireguard/install/Dockerfile b/wireguard/install/Dockerfile
index c22d1cc..2c5ee39 100644
--- a/wireguard/install/Dockerfile
+++ b/wireguard/install/Dockerfile
@@ -18,7 +18,7 @@ RUN apk add --no-cache \
 	libmnl-dev
 
 # https://git.zx2c4.com/WireGuard/refs/
-ENV WIREGUARD_VERSION 0.0.20190702
+ENV WIREGUARD_VERSION 0.0.20190913
 
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \
diff --git a/znc/Dockerfile b/znc/Dockerfile
index b74cba3..744bbe2 100644
--- a/znc/Dockerfile
+++ b/znc/Dockerfile
@@ -22,7 +22,7 @@ RUN adduser -u 1001 -D user \
 
 ENV LANG C.UTF-8
 
-ENV ZNC_VERSION 1.7.4
+ENV ZNC_VERSION 1.7.5-rc1
 
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \