diff --git a/Changelog.md b/Changelog.md
index afffce7..53ec93c 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -10,6 +10,12 @@ Release template text:
 	```
 
 
+## v1.2
+ - Update `terrain50` to v1.5
+ - Update `applause-cli` to v1.2.3 to fix subcommand argument default value issue
+ - **Breaking:** Rename `validator` subcommand to `validate` to better fit with the others
+
+
 ## v1.1.1
  - Update `terrain50` to v1.4.1
 
diff --git a/package-lock.json b/package-lock.json
index 66740c6..236807c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "terrain50-cli",
-	"version": "1.1.0",
+	"version": "1.2.0",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
@@ -10,9 +10,9 @@
 			"integrity": "sha512-trnsAYxU3xnS1gPHPyU961coFyLkh4gAD/0zQ5mymY4yOZ+CYvsPqUbOFSw0aDM4y0tV7tiFxL/1XfXPNC6IPg=="
 		},
 		"applause-cli": {
-			"version": "1.2.2",
-			"resolved": "https://registry.npmjs.org/applause-cli/-/applause-cli-1.2.2.tgz",
-			"integrity": "sha512-JB5PHttRc5bQhEIw3Hki4NPsIQbU9ChzVBNLpRnEwitMLYWors0Sy8wknERwPPuixAXakaHBw18Jm+ofwItzbg=="
+			"version": "1.2.3",
+			"resolved": "https://registry.npmjs.org/applause-cli/-/applause-cli-1.2.3.tgz",
+			"integrity": "sha512-VmJXLxLftGHVt41aM88I6HpY9j5OyCkSsEeRR2dMThQT3vlpaIW5Jk76nrzl64b0m/XfU4uRhTqzXloDw4q0ng=="
 		},
 		"arr-flatten": {
 			"version": "1.1.0",
@@ -338,9 +338,9 @@
 			}
 		},
 		"terrain50": {
-			"version": "1.4.1",
-			"resolved": "https://registry.npmjs.org/terrain50/-/terrain50-1.4.1.tgz",
-			"integrity": "sha512-U3zK3eLZr/rnLHdC9It+aCY6tgv86hwFSve+L43Fg9Pgg2BHebCWLBwa4PQWgwRGlUutwl8BRQzLCoCPu4sIag==",
+			"version": "1.5.0",
+			"resolved": "https://registry.npmjs.org/terrain50/-/terrain50-1.5.0.tgz",
+			"integrity": "sha512-IziHpH24RsmgIVsB7Q9PgUpsqUvcUHShsGJLNZihLRoPNKjcg1Fo98IbPPPeiQ9aiMUmGsRRj4Dw1yZrjH8c2g==",
 			"requires": {
 				"nexline": "^1.2.0",
 				"nnng": "^1.0.0"
diff --git a/package.json b/package.json
index 299add1..ae3c6ac 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "terrain50-cli",
-	"version": "1.1.1",
+	"version": "1.2.0",
 	"description": "CLI for parsing Ordnance Survey Digital Elevation Model files",
 	"main": "src/index.mjs",
 	"scripts": {
@@ -33,11 +33,11 @@
 	"homepage": "https://github.com/sbrl/terrain50-cli#readme",
 	"dependencies": {
 		"@iarna/toml": "^2.2.5",
-		"applause-cli": "^1.2.2",
+		"applause-cli": "^1.2.3",
 		"chroma-js": "^2.1.0",
 		"image-encode": "^1.3.0",
 		"nexline": "^1.2.0",
-		"terrain50": "^1.4.1"
+		"terrain50": "^1.5.0"
 	},
 	"bin": {
 		"terrain50": "./src/index.mjs"
diff --git a/src/Subcommands/validator/index.mjs b/src/Subcommands/validate/index.mjs
similarity index 100%
rename from src/Subcommands/validator/index.mjs
rename to src/Subcommands/validate/index.mjs
diff --git a/src/Subcommands/validator/meta.toml b/src/Subcommands/validate/meta.toml
similarity index 100%
rename from src/Subcommands/validator/meta.toml
rename to src/Subcommands/validate/meta.toml