diff --git a/docker/Dockerfile b/docker/Dockerfile
index 03c60e68..86f4a72a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update > /dev/null && \
     apt-get purge -y --auto-remove gnupg && \
     #################
     # Optional dependencies
-    apt-get install -y curl emacs zip poppler-utils > /dev/null&& \
+    apt-get install -y curl emacs zip poppler-utils > /dev/null && \
     # Minimal latex dependencies for org-mode
     cd && apt-get install -y wget perl > /dev/null && \
     export CTAN_REPO="http://mirror.las.iastate.edu/tex-archive/systems/texlive/tlnet" && \
diff --git a/server/common/constants.go b/server/common/constants.go
index a64781f5..94ad53e7 100644
--- a/server/common/constants.go
+++ b/server/common/constants.go
@@ -6,7 +6,7 @@ import (
 )
 
 const (
-	APP_VERSION = "v0.4"
+	APP_VERSION = "v0.4rc"
 	PLUGIN_PATH = "data/plugin/"
 	LOG_PATH    = "data/state/log/"
 	CONFIG_PATH = "data/state/config/"