diff --git a/gleam.toml b/gleam.toml
index 585355f..824393b 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -25,7 +25,7 @@ gleam_http = "~> 3.6"
 gleam_httpc = ">= 4.0.0 and < 5.0.0"
 gleam_json = "~> 1.0 or ~> 2.0"
 gleam_otp = "~> 0.10"
-gleam_package_interface = "~> 1.0"
+gleam_package_interface = "1.2.0"
 gleam_regexp = ">= 1.0.0 and < 2.0.0"
 gleam_stdlib = "~> 0.34 or ~> 1.0"
 glint = ">=1.0.0 and < 2.0.0"
diff --git a/manifest.toml b/manifest.toml
index d449f83..2c4851c 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -52,7 +52,7 @@ gleam_http = { version = "~> 3.6" }
 gleam_httpc = { version = ">= 4.0.0 and < 5.0.0" }
 gleam_json = { version = "~> 1.0 or ~> 2.0" }
 gleam_otp = { version = "~> 0.10" }
-gleam_package_interface = { version = "~> 1.0" }
+gleam_package_interface = { version = "1.2.0" }
 gleam_regexp = { version = ">= 1.0.0 and < 2.0.0" }
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }