diff --git a/.github/workflows/run_dep_sec_scan.yml b/.github/workflows/run_dep_sec_scan.yml
new file mode 100644
index 0000000..d6102df
--- /dev/null
+++ b/.github/workflows/run_dep_sec_scan.yml
@@ -0,0 +1,21 @@
+name: Phylum_analyze
+on: pull_request
+
+jobs:
+  analyze_deps:
+    name: Analyze dependencies with Phylum
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Analyze dependencies
+        uses: phylum-dev/phylum-analyze-pr-action@v2
+        with:
+          phylum_token: ${{ secrets.PHYLUM_TOKEN }}
\ No newline at end of file
diff --git a/.phylum_project b/.phylum_project
new file mode 100644
index 0000000..7fada15
--- /dev/null
+++ b/.phylum_project
@@ -0,0 +1,7 @@
+id: 56a898e0-b14d-4b08-84ee-662a7d164b7e
+name: deep_causality
+created_at: 2023-09-12T18:34:39.348825+08:00
+group_name: null
+lockfiles:
+- path: ./Cargo.toml
+  type: cargo
diff --git a/deep_causality/tests/types/context_types/context_graph/extendable_context_tests.rs b/deep_causality/tests/types/context_types/context_graph/extendable_context_tests.rs
index cf72268..a35c781 100644
--- a/deep_causality/tests/types/context_types/context_graph/extendable_context_tests.rs
+++ b/deep_causality/tests/types/context_types/context_graph/extendable_context_tests.rs
@@ -6,7 +6,8 @@ use deep_causality::prelude::*;
 fn get_context<'l>() -> BaseContext<'l> {
     let id = 1;
     let name = "base context";
-    Context::with_capacity(id, name, 10)
+    let capacity = 10; // adjust as needed
+    Context::with_capacity(id, name, capacity)
 }
 
 #[test]