diff --git a/hack/scripts/write-sha256sum.sh b/hack/scripts/write-sha256sum.sh
index faa57ad9..907deeb4 100755
--- a/hack/scripts/write-sha256sum.sh
+++ b/hack/scripts/write-sha256sum.sh
@@ -36,5 +36,5 @@ esac
 (
   set -x
   cd "$dir"
-  sha256sum --binary "$name" > "${name}.sha256"
+  sha256sum --binary "$name" > "${name}.sha256sum"
 )
diff --git a/pkg/agent/verify.Dockerfile b/pkg/agent/verify.Dockerfile
index 857c4e1d..8c91dcbb 100644
--- a/pkg/agent/verify.Dockerfile
+++ b/pkg/agent/verify.Dockerfile
@@ -109,7 +109,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/buildx/verify.Dockerfile b/pkg/buildx/verify.Dockerfile
index ade53902..cf134799 100644
--- a/pkg/buildx/verify.Dockerfile
+++ b/pkg/buildx/verify.Dockerfile
@@ -109,7 +109,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/compose/verify.Dockerfile b/pkg/compose/verify.Dockerfile
index 48b5a048..ffdb708b 100644
--- a/pkg/compose/verify.Dockerfile
+++ b/pkg/compose/verify.Dockerfile
@@ -109,7 +109,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/containerd/verify.Dockerfile b/pkg/containerd/verify.Dockerfile
index c2aee5c5..9d0dbc72 100644
--- a/pkg/containerd/verify.Dockerfile
+++ b/pkg/containerd/verify.Dockerfile
@@ -113,7 +113,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/credential-helpers/verify.Dockerfile b/pkg/credential-helpers/verify.Dockerfile
index 6879e7dd..68ae40ea 100644
--- a/pkg/credential-helpers/verify.Dockerfile
+++ b/pkg/credential-helpers/verify.Dockerfile
@@ -122,7 +122,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/docker-cli/verify.Dockerfile b/pkg/docker-cli/verify.Dockerfile
index fd584370..619c45c1 100644
--- a/pkg/docker-cli/verify.Dockerfile
+++ b/pkg/docker-cli/verify.Dockerfile
@@ -109,7 +109,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/docker-engine/verify.Dockerfile b/pkg/docker-engine/verify.Dockerfile
index bf03c279..615fccbc 100644
--- a/pkg/docker-engine/verify.Dockerfile
+++ b/pkg/docker-engine/verify.Dockerfile
@@ -122,7 +122,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done
diff --git a/pkg/docker/verify.Dockerfile b/pkg/docker/verify.Dockerfile
index 2cdbdd59..051004e6 100644
--- a/pkg/docker/verify.Dockerfile
+++ b/pkg/docker/verify.Dockerfile
@@ -48,7 +48,7 @@ RUN --mount=from=bin,target=/build <<EOT
       (
         set -x
         cd "${package%/*}"
-        sha256sum -c "${package##*/}.sha256"
+        sha256sum -c "${package##*/}.sha256sum"
         workdir=$(mktemp -d -t docker-verify.XXXXXXXXXX)
         tar zxvf "${package##*/}" -C "$workdir"
         xx-verify --static "$workdir/docker/docker"
@@ -70,7 +70,7 @@ RUN --mount=from=bin,target=/build <<EOT
       (
         set -x
         cd "${package%/*}"
-        sha256sum -c "${package##*/}.sha256"
+        sha256sum -c "${package##*/}.sha256sum"
         unzip -l "${package##*/}"
         workdir=$(mktemp -d -t docker-verify.XXXXXXXXXX)
         unzip -q "${package##*/}" -d $workdir
@@ -91,7 +91,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/bin --strip-components=1
     )
   done
diff --git a/pkg/model/verify.Dockerfile b/pkg/model/verify.Dockerfile
index 30e4549a..84f0792e 100644
--- a/pkg/model/verify.Dockerfile
+++ b/pkg/model/verify.Dockerfile
@@ -109,7 +109,7 @@ RUN --mount=from=bin,target=/build <<EOT
     (
       set -x
       cd "${package%/*}"
-      sha256sum -c "${package##*/}.sha256"
+      sha256sum -c "${package##*/}.sha256sum"
       tar zxvf "${package##*/}" -C /usr/local --strip-components=1
     )
   done