diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index e8753285..f90639ef 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -1,6 +1,6 @@
 build:
   environment:
-    php: 7.2
+    php: 8.1
 
 inherit: true
 
diff --git a/.travis.yml b/.travis.yml
index 3d2418b6..fe365a15 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,9 @@ dist: xenial
 matrix:
   fast_finish: true
   include:
-    - php: 7.2
-    - php: 7.3
     - php: 7.4
     - php: 8.0
+    - php: 8.1
 
 sudo: false
 
diff --git a/composer.json b/composer.json
index 19a9feea..6ca4d1db 100644
--- a/composer.json
+++ b/composer.json
@@ -24,15 +24,15 @@
 		"irc": "irc://irc.libera.chat/wikidata"
 	},
 	"require": {
-		"php": ">=7.2",
-		"wikibase/data-model": "~9.0|~8.0",
-		"data-values/data-values": "^3.1.0",
+		"php": ">=8.1",
+		"wikibase/data-model": "dev-master#cbbdfcb13e026357f7d441b9c901f06263304e46",
+		"data-values/data-values": "~3.0",
 		"diff/diff": "~3.2",
 		"wikimedia/assert": "~0.2.2|~0.3.0|~0.4.0|~0.5.0"
 	},
 	"require-dev": {
 		"phpmd/phpmd": "~2.3",
-		"phpunit/phpunit": "~8.0"
+		"phpunit/phpunit": "~9"
 	},
 	"autoload": {
 		"psr-4": {