diff --git a/.github/.keepalive b/.github/.keepalive
deleted file mode 100644
index 376ef3c..0000000
--- a/.github/.keepalive
+++ /dev/null
@@ -1 +0,0 @@
-2024-04-01T05:31:05.595Z
diff --git a/.github/workflows/test_coverage.yml b/.github/workflows/test_coverage.yml
index f5410dd..f4eda1e 100644
--- a/.github/workflows/test_coverage.yml
+++ b/.github/workflows/test_coverage.yml
@@ -84,11 +84,13 @@ jobs:
       - name: 'Upload coverage to Codecov'
         id: upload
         # Pin action to full length commit SHA
-        uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4
+        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed # v4.3.0
         with:
           directory: reports/coverage
           flags: unittests
           fail_ci_if_error: true
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
       # Extract coverage value:
       - name: 'Extract coverage value and assign to output'
diff --git a/package.json b/package.json
index 9ad4d73..28f8c4f 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@stdlib/assert-is-positive-number": "^0.2.1",
     "@stdlib/math-base-assert-is-nan": "^0.2.1",
     "@stdlib/math-base-special-abs": "^0.2.1",
-    "@stdlib/math-base-special-ln": "^0.2.1",
+    "@stdlib/math-base-special-ln": "^0.2.3",
     "@stdlib/math-base-special-signum": "^0.2.1",
     "@stdlib/random-base-mt19937": "^0.2.1",
     "@stdlib/string-format": "^0.2.1",