diff --git a/pkgs/common-updater/scripts/list-archive-two-level-versions b/pkgs/common-updater/scripts/list-archive-two-level-versions
index e46652820ad2..36a051e97c91 100755
--- a/pkgs/common-updater/scripts/list-archive-two-level-versions
+++ b/pkgs/common-updater/scripts/list-archive-two-level-versions
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/usr/bin/env bash
 
 # lists all available versions listed for a package in a site (http)
 
diff --git a/pkgs/common-updater/scripts/list-git-tags b/pkgs/common-updater/scripts/list-git-tags
index ff09671c7cb0..d137552cdd66 100755
--- a/pkgs/common-updater/scripts/list-git-tags
+++ b/pkgs/common-updater/scripts/list-git-tags
@@ -1,4 +1,4 @@
-#! /bin/sh -x
+#!/usr/bin/env bash
 
 # lists all available tags from a git repository
 
diff --git a/pkgs/common-updater/scripts/update-source-version b/pkgs/common-updater/scripts/update-source-version
index d5c23466ee03..0ac6b3cf8c28 100755
--- a/pkgs/common-updater/scripts/update-source-version
+++ b/pkgs/common-updater/scripts/update-source-version
@@ -188,7 +188,9 @@ tempHash=$(printf '%0*d' "$hashLength" 0)
 if [[ -n "$sri" ]]; then
     # SRI hashes only support base64
     # SRI hashes need to declare the hash type as part of the hash
-    tempHash="$(nix to-sri --type "$oldHashAlgo" "$tempHash")"
+    tempHash="$(nix hash to-sri --type "$oldHashAlgo" "$tempHash" 2>/dev/null \
+        || nix to-sri --type "$oldHashAlgo" "$tempHash" 2>/dev/null)" \
+        || die "Failed to convert hash to SRI representation!"
 fi
 
 # Escape regex metacharacter that are allowed in hashes (+)
@@ -232,7 +234,9 @@ if [[ -z "$newHash" ]]; then
 
     if [[ -n "$sri" ]]; then
         # nix-build preserves the hashing scheme so we can just convert the result to SRI using the old type
-        newHash="$(nix to-sri --type "$oldHashAlgo" "$newHash")"
+        newHash="$(nix hash to-sri --type "$oldHashAlgo" "$newHash" 2>/dev/null \
+            || nix to-sri --type "$oldHashAlgo" "$newHash" 2>/dev/null)" \
+            || die "Failed to convert hash to SRI representation!"
     fi
 fi