diff --git a/arm-test/nix/sources.json b/arm-test/nix/sources.json
index 3f3c565..e40fb5c 100644
--- a/arm-test/nix/sources.json
+++ b/arm-test/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "https://input-output-hk.github.io/cardano-haskell-packages/",
         "owner": "input-output-hk",
         "repo": "cardano-haskell-packages",
-        "rev": "bedbed3bcca19ef64b8a776bceeea052c2b69ea5",
-        "sha256": "0mf00cghh5qfphdz4mz118b7sap0q168a63kg1p5v0ypanlhgmvr",
+        "rev": "fbbd2ae156ae0199af41a178503a0ce9a89c5473",
+        "sha256": "1nfxca6f592a9snqh5zg66lbgk9dvik3lsmbqm374jn94g6dad8z",
         "type": "tarball",
-        "url": "https://github.com/input-output-hk/cardano-haskell-packages/archive/bedbed3bcca19ef64b8a776bceeea052c2b69ea5.tar.gz",
+        "url": "https://github.com/input-output-hk/cardano-haskell-packages/archive/fbbd2ae156ae0199af41a178503a0ce9a89c5473.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "cardano-node-mainnet": {
@@ -29,10 +29,10 @@
         "homepage": "https://cardano.org",
         "owner": "input-output-hk",
         "repo": "cardano-node",
-        "rev": "1.35.5",
-        "sha256": "0a2yyr0y07z8a03vlqxl54746hkcqmwwyz5rfpxx60y361x102ig",
+        "rev": "1.35.6",
+        "sha256": "05adi58qm1fwlzwd4yw62k7rfs41a2ycbs1sm87gmhq3nvpd8cdy",
         "type": "tarball",
-        "url": "https://github.com/input-output-hk/cardano-node/archive/1.35.5.tar.gz",
+        "url": "https://github.com/input-output-hk/cardano-node/archive/1.35.6.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "cardano-node-vasil": {