diff --git a/flake.lock b/flake.lock
index 05448fc..0cee6cb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "advisory-db": {
       "flake": false,
       "locked": {
-        "lastModified": 1684873045,
-        "narHash": "sha256-MVXbXNXcqiaeJZbwVw6R16xqxJkpm+ipAIljz4/9QaM=",
+        "lastModified": 1685636567,
+        "narHash": "sha256-2/RpMMkX9q5hliqRi7ixsJXZhxbR+N3SAl7zSWSxB5I=",
         "owner": "RustSec",
         "repo": "advisory-db",
-        "rev": "e162556b9e8c1542c187290453cbd322e8905f0c",
+        "rev": "d32ef820108c8e87b956a57c3e8a3313bef78ccb",
         "type": "github"
       },
       "original": {
@@ -56,11 +56,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1685347552,
-        "narHash": "sha256-9woSppRyUFo26yUffORTzttJ+apOt8MmCv6RxpPNTU4=",
+        "lastModified": 1685714850,
+        "narHash": "sha256-OcvbIJq4CGwwFr9m7M/SQcDPZ64hhR4t77oZgEeh7ZY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f2f1ec390714d303cf84ba086e34e45b450dd8c4",
+        "rev": "c6ffce3d5df7b4c588ce80a0c6e2d2348a611707",
         "type": "github"
       },
       "original": {
@@ -87,11 +87,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1685327024,
-        "narHash": "sha256-mSFu5QI7St1Wj4BIKJkO8mEKZHJ6PosHoG6fEco16jg=",
+        "lastModified": 1685759304,
+        "narHash": "sha256-I3YBH6MS3G5kGzNuc1G0f9uYfTcNY9NYoRc3QsykLk4=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "d6ac24aa7ff658552ce57913df4b0cb823cf15ab",
+        "rev": "c535b4f3327910c96dcf21851bbdd074d0760290",
         "type": "github"
       },
       "original": {
@@ -135,11 +135,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1681202837,
-        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "lastModified": 1685518550,
+        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
         "type": "github"
       },
       "original": {
diff --git a/sources/sources.json b/sources/sources.json
index 2e45422..de9e44d 100644
--- a/sources/sources.json
+++ b/sources/sources.json
@@ -5,9 +5,9 @@
     "version": "0.17.6"
   },
   "cargo-llvm-cov": {
-    "hash": "sha256-5xHDjNFQDmi+SnhxfoCxoBdCqHpZEk/87r2sBKsT+W4=",
+    "hash": "sha256-76FR1Irmqi/m6fJbhqN6+iBMfQNDkgO1SDBw/hzNCOY=",
     "pname": "cargo-llvm-cov",
-    "version": "0.5.19"
+    "version": "0.5.20"
   },
   "cargo-nextest": {
     "hash": "sha256-0MwG6888csFpl2tHBem1SC8Z0JLLuXkDtponOv3DPrk=",