diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bf80d8..8c8e410 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
 
       - uses: hustcer/setup-nu@v3.10
         with:
-          version: "0.105.1"
+          version: "0.106.1"
 
       - name: Show Nushell Version
         run: version
diff --git a/nupm/publish.nu b/nupm/publish.nu
index 9ed7d19..a85f82c 100644
--- a/nupm/publish.nu
+++ b/nupm/publish.nu
@@ -222,7 +222,7 @@ def guess-revision []: nothing -> string {
 
 def get-registry-path []: string -> path {
     let registry = $in
-    $env.NUPM_REGISTRIES | get -i $registry | default ($registry | path expand)
+    $env.NUPM_REGISTRIES | get -o $registry | default ($registry | path expand)
 }
 
 def open-registry-file []: path -> table<name: string, path: string, url: string> {
diff --git a/nupm/utils/package.nu b/nupm/utils/package.nu
index 4e59fc4..be6e804 100644
--- a/nupm/utils/package.nu
+++ b/nupm/utils/package.nu
@@ -20,7 +20,7 @@ export def open-package-file [dir: path] {
     log debug "checking package file for missing required keys"
     let required_keys = [$. $.name $.version $.type]
     let missing_keys = $required_keys
-        | where {|key| ($package | get -i $key) == null}
+        | where {|key| ($package | get -o $key) == null}
     if not ($missing_keys | is-empty) {
         throw-error "invalid_package_file" (
             $"($package_file) is missing the following required keys:"
diff --git a/tests/mod.nu b/tests/mod.nu
index b84beab..ddb2af1 100644
--- a/tests/mod.nu
+++ b/tests/mod.nu
@@ -146,7 +146,9 @@ export def env-vars-are-set [] {
     assert equal $env.NUPM_HOME $dirs.DEFAULT_NUPM_HOME
     assert equal $env.NUPM_TEMP $dirs.DEFAULT_NUPM_TEMP
     assert equal $env.NUPM_CACHE $dirs.DEFAULT_NUPM_CACHE
-    assert equal $env.NUPM_REGISTRIES $dirs.DEFAULT_NUPM_REGISTRIES
+    (assert equal
+        $env.NUPM_REGISTRIES
+        ($env.NUPM_REGISTRIES | merge $dirs.DEFAULT_NUPM_REGISTRIES))
 }
 
 export def generate-local-registry [] {