update versions

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
diff --git a/atom/Dockerfile b/atom/Dockerfile
index 95c4d26..cebfe74 100644
--- a/atom/Dockerfile
+++ b/atom/Dockerfile
@@ -43,7 +43,7 @@
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV ATOM_VERSION 1.21.0
+ENV ATOM_VERSION 1.21.1
 
 # download the source
 RUN buildDeps=' \
diff --git a/curl/Dockerfile b/curl/Dockerfile
index 9db6909..6885879 100644
--- a/curl/Dockerfile
+++ b/curl/Dockerfile
@@ -13,7 +13,7 @@
 	nghttp2 \
 	openssl
 
-ENV CURL_VERSION 7.56.0
+ENV CURL_VERSION 7.56.1
 
 RUN set -x \
     && apk add --no-cache --virtual .build-deps \
diff --git a/irssi/Dockerfile b/irssi/Dockerfile
index d4037e8..e46574e 100644
--- a/irssi/Dockerfile
+++ b/irssi/Dockerfile
@@ -13,7 +13,7 @@
 
 ENV LANG C.UTF-8
 
-ENV IRSSI_VERSION 1.0.4
+ENV IRSSI_VERSION 1.0.5
 # https://otr.cypherpunks.ca/index.php#downloads
 ENV LIB_OTR_VERSION 4.1.1
 # https://github.com/cryptodotis/irssi-otr/releases
diff --git a/keepassxc/Dockerfile b/keepassxc/Dockerfile
index df6dfa2..806f342 100644
--- a/keepassxc/Dockerfile
+++ b/keepassxc/Dockerfile
@@ -11,7 +11,7 @@
 FROM alpine:latest
 LABEL maintainer "Christian Koep <christiankoep@gmail.com>"
 
-ENV KEEPASSXC_VERSION 2.2.1
+ENV KEEPASSXC_VERSION 2.2.2
 
 RUN buildDeps=' \
                 automake \
diff --git a/wireguard/Dockerfile b/wireguard/Dockerfile
index 54504bb..5231cc5 100644
--- a/wireguard/Dockerfile
+++ b/wireguard/Dockerfile
@@ -17,7 +17,7 @@
 	libmnl-dev
 
 # https://git.zx2c4.com/WireGuard/refs/
-ENV WIREGUARD_VERSION 0.0.20171005
+ENV WIREGUARD_VERSION 0.0.20171017
 
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \