diff --git a/Dockerfile b/Dockerfile
index e055d89f724391b3f7f4780dacb2fd8f2a9ef195..b08118670b7bc6776e17c049da8df609385fb040 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,26 +14,18 @@ RUN dnf update -y && \
     mkdir /packages/
 
 COPY *.whl /packages/
-COPY *.tar.gz /packages/
+
 COPY --from=chart-testing /usr/local/bin/ct /usr/local/bin/
 COPY --from=chart-testing /usr/local/bin/helm /usr/local/bin/
 COPY --from=chart-testing /usr/local/bin/kubectl /usr/local/bin/
 COPY --from=chart-testing /etc/ct/* /etc/ct/
-COPY --from=chart-testing /usr/lib/python3.8/site-packages/ /usr/lib/python3.8/site-packages/
-
-RUN rm -rf /usr/include/python3.6m /usr/lib64/python3.6 /usr/lib/python3.6 /usr/lib/python3.8/site-packages/urllib3* && \
-    pip3 install -U --no-index /packages/pip-21.1.3-py3-none-any.whl && \
-    pip3 install -U --no-index /packages/pathspec-0.8.1-py2.py3-none-any.whl && \
-    pip3 install -U --no-index /packages/setuptools-57.0.0-py3-none-any.whl && \
-    pip3 install -U --no-index /packages/PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl && \
-    pip3 install -U --no-index /packages/yamale-3.0.7-py3-none-any.whl && \
-    pip3 install -U --no-index /packages/urllib3-1.26.6-py2.py3-none-any.whl && \ 
-    pip3 install -U --no-index /packages/yamllint-1.26.1.tar.gz && \
-    rm -rf /packages /usr/libexec/openssh/* /usr/lib/python3.8/site-packages/pip-21.0.1.dist-info
 
-USER 1000
+RUN pip3 install -U --no-index \
+        /packages/pip-21.2.3-py3-none-any.whl \
+        /packages/PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl \
+        /packages/yamale-3.0.8-py3-none-any.whl
 
-HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD [ "executable" ]
+USER 1000
 
 # Ensure that the binary is available on path and is executable
-RUN ct --help
\ No newline at end of file
+RUN ct --help
diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 6093ba562e470bb56bc51d0441ebdec89cc57c43..7f78568229888458a09a34c8dec733eed37e0c32 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -39,41 +39,21 @@ labels:
 resources:
 - tag: quay.io/helmpack/chart-testing:v3.4.0
   url: docker://quay.io/helmpack/chart-testing@sha256:7d66a4ff8803fd31b12e5de66cebdb3cb68a6139be8ecc90592c0208550371c1
-- filename: pip-21.1.3-py3-none-any.whl
-  url: https://files.pythonhosted.org/packages/47/ca/f0d790b6e18b3a6f3bd5e80c2ee4edbb5807286c21cdd0862ca933f751dd/pip-21.1.3-py3-none-any.whl
+- filename: pip-21.2.3-py3-none-any.whl
+  url: https://files.pythonhosted.org/packages/ca/bf/4133a0e05eac641ec270bbcef30512b5ad307d7838adb994acd652cc30e3/pip-21.2.3-py3-none-any.whl
   validation:
     type: sha256
-    value: 78cb760711fedc073246543801c84dc5377affead832e103ad0211f99303a204
-- filename: pathspec-0.8.1-py2.py3-none-any.whl
-  url: https://files.pythonhosted.org/packages/29/29/a465741a3d97ea3c17d21eaad4c64205428bde56742360876c4391f930d4/pathspec-0.8.1-py2.py3-none-any.whl
-  validation:
-    type: sha256
-    value: aa0cb481c4041bf52ffa7b0d8fa6cd3e88a2ca4879c533c9153882ee2556790d
-- filename: setuptools-57.0.0-py3-none-any.whl
-  url: https://files.pythonhosted.org/packages/4e/78/56aa1b5f4d8ac548755ae767d84f0be54fdd9d404197a3d9e4659d272348/setuptools-57.0.0-py3-none-any.whl
-  validation:
-    type: sha256
-    value: c8b9f1a457949002e358fea7d3f2a1e1b94ddc0354b2e40afc066bf95d21bf7b
+    value: 895df6014c2f02f9d278a8ad6e31cdfd312952b4a93c3068d0556964f4490057
 - filename: PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl
   url: https://files.pythonhosted.org/packages/70/96/c7245e551b1cb496bfb95840ace55ca60f20d3d8e33d70faf8c78a976899/PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl
   validation:
     type: sha256
     value: 8c1be557ee92a20f184922c7b6424e8ab6691788e6d86137c5d93c1a6ec1b8fb
-- filename: yamllint-1.26.1.tar.gz
-  url: https://files.pythonhosted.org/packages/50/a1/9093baeb2545d43c22bbcc98c94b926d324598b50e196b492b0882dcb465/yamllint-1.26.1.tar.gz
-  validation:
-    type: sha256
-    value: 87d9462b3ed7e9dfa19caa177f7a77cd9888b3dc4044447d6ae0ab233bcd1324
-- filename: yamale-3.0.7-py3-none-any.whl
-  url: https://files.pythonhosted.org/packages/5f/a3/4208d23ca0e9933cfae139dd56dc76fa7aadd7f17d551e6159d6d95b0d07/yamale-3.0.7-py3-none-any.whl
-  validation:
-    type: sha256
-    value: 51b286bd500d75afaee5799e9d605f7e3383425d64e83c9fa3c81bd968935829
-- filename: urllib3-1.26.6-py2.py3-none-any.whl
-  url: https://files.pythonhosted.org/packages/5f/64/43575537846896abac0b15c3e5ac678d787a4021e906703f1766bfb8ea11/urllib3-1.26.6-py2.py3-none-any.whl
+- filename: yamale-3.0.8-py3-none-any.whl
+  url: https://files.pythonhosted.org/packages/64/74/041ee94abe172d6e8ac29b2321f8c5409604ead517b65972e56f5f4abb5f/yamale-3.0.8-py3-none-any.whl
   validation:
     type: sha256
-    value: 39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4
+    value: 9e9d6946d2f68926822d0df400dafb5e75b34bc7f482237393db29e697d5bbad
 
   
 # List of project maintainers