diff --git a/.gitignore b/.gitignore
index 55c25f7..2d66d58 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /elementary-terminal-0.5.tar.gz
 /elementary-terminal-0.5.1.tar.gz
+/elementary-terminal-0.5.2.tar.gz
diff --git a/00-fix-vala-042-type-error.patch b/00-fix-vala-042-type-error.patch
new file mode 100644
index 0000000..4678404
--- /dev/null
+++ b/00-fix-vala-042-type-error.patch
@@ -0,0 +1,13 @@
+diff --git a/src/PantheonTerminalWindow.vala b/src/PantheonTerminalWindow.vala
+index 6ed3f06..6c23d5f 100644
+--- a/src/PantheonTerminalWindow.vala
++++ b/src/PantheonTerminalWindow.vala
+@@ -231,7 +231,7 @@ namespace PantheonTerminal {
+ 
+         /** Returns true if the code parameter matches the keycode of the keyval parameter for
+           * any keyboard group or level (in order to allow for non-QWERTY keyboards) **/
+-        protected bool match_keycode (int keyval, uint code) {
++        protected bool match_keycode (uint keyval, uint code) {
+             Gdk.KeymapKey [] keys;
+             Gdk.Keymap keymap = Gdk.Keymap.get_default ();
+             if (keymap.get_entries_for_keyval (keyval, out keys)) {
diff --git a/elementary-terminal.spec b/elementary-terminal.spec
index 06b8451..1ac1f7b 100644
--- a/elementary-terminal.spec
+++ b/elementary-terminal.spec
@@ -3,13 +3,17 @@
 
 Name:           elementary-terminal
 Summary:        The terminal of the 21st century
-Version:        0.5.1
+Version:        0.5.2
 Release:        1%{?dist}
 License:        LGPLv3
 
 URL:            https://github.com/elementary/%{srcname}
 Source0:        %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 
+# Add upstream change to fix building with vala 0.42+
+# https://github.com/elementary/terminal/commit/28f2bf4
+Patch0:         00-fix-vala-042-type-error.patch
+
 BuildRequires:  appstream
 BuildRequires:  desktop-file-utils
 BuildRequires:  gettext
@@ -56,7 +60,7 @@ notifications when using the fish shell.
 
 
 %build
-%meson
+%meson -Dubuntu-bionic-patched-vte=false
 %meson_build
 
 
@@ -94,6 +98,10 @@ appstream-util validate-relax --nonet \
 
 
 %changelog
+* Mon Aug 27 2018 Fabio Valentini <decathorpe@gmail.com> - 0.5.2-1
+- Update to version 0.5.2.
+- Fix FTBFS issue with vala 0.42.
+
 * Tue Jul 24 2018 Fabio Valentini <decathorpe@gmail.com> - 0.5.1-1
 - Update to version 0.5.1.
 
diff --git a/sources b/sources
index 43103ec..0e7dc7d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (elementary-terminal-0.5.1.tar.gz) = bfd6cd05bdc89607c30cdedf9bbb0507f1187c4ee1c4e530bd32b6898b759f91ccdec9410b67faf9fcee54a9013ef582b1a61020bd9b58d31b0da9172925c288
+SHA512 (elementary-terminal-0.5.2.tar.gz) = 2d111f48d1f7dd5f278ebb29954e211d099b247a44cea7847b79e560fd05d1acb957b676a97638fa21737d5a5175aee9c14a76970d77f3b37435a9372e52f2d2