diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 60991a6f..fc68151f 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,12 +8,11 @@
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {
 		"ghcr.io/devcontainers/features/terraform:1": {
-			"version": "1.7.2"
+			"version": "1.9.4"
 		}
 	},
 	
-	// Workaround for https://github.com/orgs/community/discussions/75161
-	"postAttachCommand": "unset GIT_COMMITTER_NAME; unset GIT_COMMITTER_EMAIL;",
+	"postAttachCommand": ["bash", "./.devcontainer/post-attach.sh"],
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
diff --git a/.devcontainer/post-attach.sh b/.devcontainer/post-attach.sh
new file mode 100644
index 00000000..7564b7fc
--- /dev/null
+++ b/.devcontainer/post-attach.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/bash
+
+# Workaround for https://github.com/orgs/community/discussions/75161
+unset GIT_COMMITTER_NAME
+unset GIT_COMMITTER_EMAIL
+
+cat <<EOF > ~/.terraformrc
+provider_installation {
+
+  dev_overrides {
+      "bpg/proxmox" = "${GOPATH}/bin/"
+  }
+
+  # For all other providers, install them directly from their origin provider
+  # registries as normal. If you omit this, Terraform will _only_ use
+  # the dev_overrides block, and so no other providers will be available.
+  direct {}
+}
+EOF