diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f6a4e3..b997d16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,6 @@ In Development
 Mail:
 
 * Fixed a long-standing issue with training the spam filter not working (because of a file permissions issue).
-* Update the Roundcube html5_notifier plugin from version 0.6 to 0.6.2 to fix Roundcube getting stuck for some people.
 
 Control panel:
 
@@ -17,6 +16,27 @@ Control panel:
 Setup:
 
 * A swap file is now created if system memory is less than 2GB, 5GB of free disk space is available, and if no swap file yet exists.
+
+v0.17c (April 1, 2016)
+----------------------
+
+This update addresses some minor security concerns and some installation issues.
+
+ownCoud:
+
+* Block web access to the configuration parameters (config.php). There is no immediate impact (see [#776](https://github.com/mail-in-a-box/mailinabox/pull/776)), although advanced users may want to take note.
+
+Mail:
+
+* Roundcube html5_notifier plugin updated from version 0.6 to 0.6.2 to fix Roundcube getting stuck for some people.
+
+Control panel:
+
+* Prevent click-jacking of the management interface by adding HTTP headers.
+* Failed login no longer reveals whether an account exists on the system.
+
+Setup:
+
 * Setup dialogs did not appear correctly when connecting to SSH using Putty on Windows.
 * We now install Roundcube from our own mirror because Sourceforge's downloads experience frequent intermittant unavailability.
 
diff --git a/README.md b/README.md
index d832905..a12e48b 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ by me:
 	$ curl -s https://keybase.io/joshdata/key.asc | gpg --import
 	gpg: key C10BDD81: public key "Joshua Tauberer <jt@occams.info>" imported
 
-	$ git verify-tag v0.17b
+	$ git verify-tag v0.17c
 	gpg: Signature made ..... using RSA key ID C10BDD81
 	gpg: Good signature from "Joshua Tauberer <jt@occams.info>"
 	gpg: WARNING: This key is not certified with a trusted signature!
@@ -72,7 +72,7 @@ and on my [personal homepage](https://razor.occams.info/). (Of course, if this r
 
 Checkout the tag corresponding to the most recent release:
 
-	$ git checkout v0.17b
+	$ git checkout v0.17c
 
 Begin the installation.
 
diff --git a/setup/bootstrap.sh b/setup/bootstrap.sh
index 6ff21c5..3e79357 100644
--- a/setup/bootstrap.sh
+++ b/setup/bootstrap.sh
@@ -7,7 +7,7 @@
 #########################################################
 
 if [ -z "$TAG" ]; then
-	TAG=v0.17b
+	TAG=v0.17c
 fi
 
 # Are we running as root?