diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 364066ee..4cb82cc3 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,2 +1,2 @@
-FROM python
-WORKDIR ~/
+FROM python:3.8
+WORKDIR ~/
\ No newline at end of file
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index a1f40089..3020c639 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -24,5 +24,5 @@
 		"ms-python.python",
 		"waderyan.gitblame"
 	],
-	"postCreateCommand": "apt install vim -y ; pip install -r data-analysis/requirements.txt ; pip install -r analysis-master/requirements.txt ; pip install pylint ; pip install tra-analysis"
+	"postCreateCommand": "apt install vim -y ; pip install -r data-analysis/requirements.txt ; pip install -r analysis-master/requirements.txt ; pip install --no-cache-dir pylint ; pip install --no-cache-dir tra-analysis"
 }
\ No newline at end of file