diff --git a/.drone.yml b/.drone.yml
index 40fc93e..98f3aa1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -28,7 +28,7 @@ steps:
   image: alpine:3.17
   commands:
   - apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing make helm git bash
-  - helm plugin install https://github.com/heyhabito/helm-unittest
+  - helm plugin install https://github.com/helm-unittest/helm-unittest
   - helm dependency update
   - make unittests
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 14bfc13..7f8f4f0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -56,7 +56,7 @@ be used:
 
 ```bash
 # install the unittest plugin
-$ helm plugin install https://github.com/heyhabito/helm-unittest
+$ helm plugin install https://github.com/helm-unittest/helm-unittest
 
 # run the unittests
 make unittests
diff --git a/Makefile b/Makefile
index 2b61849..ff48c63 100644
--- a/Makefile
+++ b/Makefile
@@ -9,4 +9,4 @@ readme: prepare-environment
 
 .PHONY: unittests
 unittests:
-	helm unittest --helm3 --strict -f 'unittests/**/*.yaml' ./
+	helm unittest --strict -f 'unittests/**/*.yaml' ./
diff --git a/unittests/init/init_directory_structure.sh.yaml b/unittests/init/init_directory_structure.sh.yaml
index 7be2336..3b03f66 100644
--- a/unittests/init/init_directory_structure.sh.yaml
+++ b/unittests/init/init_directory_structure.sh.yaml
@@ -10,7 +10,7 @@ tests:
       signing.enabled: true
     asserts:
       - equal:
-          path: stringData.[configure_gpg_environment.sh]
+          path: stringData["configure_gpg_environment.sh"]
           value: |-
             #!/usr/bin/env bash
             set -eu
@@ -19,7 +19,7 @@ tests:
   - it: skips gpg script block for disabled signing
     asserts:
       - equal:
-          path: stringData.[init_directory_structure.sh]
+          path: stringData["init_directory_structure.sh"]
           value: |-
             #!/usr/bin/env bash
 
@@ -40,7 +40,7 @@ tests:
       signing.enabled: true
     asserts:
       - equal:
-          path: stringData.[init_directory_structure.sh]
+          path: stringData["init_directory_structure.sh"]
           value: |-
             #!/usr/bin/env bash