diff --git a/docs/installation.md b/docs/installation.md
index 9c2d9a5..aad5ed6 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -3,6 +3,20 @@
 ## Gradle
 ```kotlin
 // build.gradle.kts
+
+buildscript {
+    repositories {
+        maven { url = uri("https://jitpack.io") }
+    }
+    dependencies {
+        classpath("com.github.flecomte:postgres-json:+")
+    }
+}
+
+repositories {
+    maven { url = uri("https://jitpack.io") }
+}
+
 dependencies {
     implementation("com.github.flecomte:postgres-json:+")
 }