diff --git a/conf/app-upgrade.src b/conf/app-upgrade.src
index 2523f2a..975d2e7 100644
--- a/conf/app-upgrade.src
+++ b/conf/app-upgrade.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/getgrav/grav/releases/download/1.7.1/grav-update-v1.7.1.zip
-SOURCE_SUM=88D0D0A47CA62E972DC6F00B1314C7D126DFFCB54B209AC825638ACD42965216
+SOURCE_URL=https://github.com/getgrav/grav/releases/download/1.7.3/grav-update-v1.7.3.zip
+SOURCE_SUM=D204F5E5E3800117A3AED96C1F9B62F23A84D9FC08CFC3081506BFF339475F55
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/conf/app.src b/conf/app.src
index 6283055..86f3ebd 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/getgrav/grav/releases/download/1.7.1/grav-admin-v1.7.1.zip
-SOURCE_SUM=7DF7F9F388904256D0F7D823386BA95384199B27004BB87EE53E49696C8CABE8
+SOURCE_URL=https://github.com/getgrav/grav/releases/download/1.7.3/grav-admin-v1.7.3.zip
+SOURCE_SUM=64F622EF7092FE02EACC2B01A4B9927F8BFAA0FAFB63F9AAA8A343C9511D002A
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true