diff --git a/builder-20/builder.toml b/builder-20/builder.toml
index 8eaf2bc..e150364 100644
--- a/builder-20/builder.toml
+++ b/builder-20/builder.toml
@@ -39,7 +39,7 @@ version = "0.20.6"
 
 [[buildpacks]]
   id = "heroku/procfile"
-  uri = "docker://docker.io/heroku/buildpack-procfile@sha256:c3dabbd86ae62c92796fed892a19f3d07635a11b803d2aa0bf0dca9a388566ef"
+  uri = "docker://docker.io/heroku/buildpack-procfile@sha256:d30273d441a9d8b78e5e3c8b2c90c4000b59280a216599174596e31ee7428623"
 
 [[buildpacks]]
   id = "heroku/python"
@@ -59,7 +59,7 @@ version = "0.20.6"
     version = "0.25.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
@@ -83,7 +83,7 @@ version = "0.20.6"
     version = "6.0.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
@@ -95,7 +95,7 @@ version = "0.20.6"
     version = "6.1.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
@@ -107,7 +107,7 @@ version = "0.20.6"
     version = "6.1.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
@@ -119,7 +119,7 @@ version = "0.20.6"
     version = "0.5.6"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
@@ -131,7 +131,7 @@ version = "0.20.6"
     version = "0.2.1"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
@@ -144,7 +144,7 @@ version = "0.20.6"
     version = "3.5.1"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
   [[order.group]]
     id = "heroku/eol-warning"
diff --git a/builder-22/builder.toml b/builder-22/builder.toml
index 4d7424c..fcf0a9c 100644
--- a/builder-22/builder.toml
+++ b/builder-22/builder.toml
@@ -43,7 +43,7 @@ version = "0.20.6"
 
 [[buildpacks]]
   id = "heroku/procfile"
-  uri = "docker://docker.io/heroku/buildpack-procfile@sha256:c3dabbd86ae62c92796fed892a19f3d07635a11b803d2aa0bf0dca9a388566ef"
+  uri = "docker://docker.io/heroku/buildpack-procfile@sha256:d30273d441a9d8b78e5e3c8b2c90c4000b59280a216599174596e31ee7428623"
 
 [[buildpacks]]
   id = "heroku/python"
@@ -67,7 +67,7 @@ version = "0.20.6"
     version = "0.25.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -92,7 +92,7 @@ version = "0.20.6"
     version = "6.0.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -105,7 +105,7 @@ version = "0.20.6"
     version = "6.1.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -118,7 +118,7 @@ version = "0.20.6"
     version = "6.1.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -131,7 +131,7 @@ version = "0.20.6"
     version = "0.5.6"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -144,7 +144,7 @@ version = "0.20.6"
     version = "0.2.1"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -157,7 +157,7 @@ version = "0.20.6"
     version = "0.3.4"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 # this group is intentionally at the end, because projects in other languages often have e.g. a package.json
@@ -171,5 +171,5 @@ version = "0.20.6"
     version = "3.5.1"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
diff --git a/builder-24/builder.toml b/builder-24/builder.toml
index 9d25a67..a60904d 100644
--- a/builder-24/builder.toml
+++ b/builder-24/builder.toml
@@ -43,7 +43,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
 
 [[buildpacks]]
   id = "heroku/procfile"
-  uri = "docker://docker.io/heroku/buildpack-procfile@sha256:c3dabbd86ae62c92796fed892a19f3d07635a11b803d2aa0bf0dca9a388566ef"
+  uri = "docker://docker.io/heroku/buildpack-procfile@sha256:d30273d441a9d8b78e5e3c8b2c90c4000b59280a216599174596e31ee7428623"
 
 [[buildpacks]]
   id = "heroku/python"
@@ -67,7 +67,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "0.25.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -92,7 +92,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "6.0.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -105,7 +105,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "6.1.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -118,7 +118,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "6.1.0"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -131,7 +131,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "0.5.6"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -144,7 +144,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "0.2.1"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 [[order]]
@@ -157,7 +157,7 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "0.3.4"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true
 
 # this group is intentionally at the end, because projects in other languages often have e.g. a package.json
@@ -171,5 +171,5 @@ mirrors = ["public.ecr.aws/heroku/heroku:24"]
     version = "3.5.1"
   [[order.group]]
     id = "heroku/procfile"
-    version = "4.1.0"
+    version = "4.2.0"
     optional = true