diff --git a/stack-ghc-9.6.3.yaml b/stack-ghc-9.6.3.yaml
index 0b5a5103d1..0855ebe0e8 100644
--- a/stack-ghc-9.6.3.yaml
+++ b/stack-ghc-9.6.3.yaml
@@ -2,12 +2,14 @@
 # built with GHC 9.6.3.
 
 # GHC 9.6.3
-resolver: nightly-2023-10-04
+resolver: nightly-2023-10-09
 
 extra-deps:
 # Cabal is pruned because process is a GHC boot package, and has to be specified
 # again.
 - Cabal-3.10.1.0@sha256:6d11adf7847d9734e7b02785ff831b5a0d11536bfbcefd6634b2b08411c63c94,12316
+# nightly-2023-10-09 specifies hi-file-parser-0.1.4.0
+- hi-file-parser-0.1.5.0@sha256:112ca75860d12ac12e603acf16fc685fdbff3b7b07ac5e2cf79bc14d91baf2fc,2850
 # GHC 9.6.3 comes with process-1.6.17.0, which can segfault on macOS.
 - process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
 
diff --git a/stack-ghc-9.6.3.yaml.lock b/stack-ghc-9.6.3.yaml.lock
index 80243a4ce8..871f6882b6 100644
--- a/stack-ghc-9.6.3.yaml.lock
+++ b/stack-ghc-9.6.3.yaml.lock
@@ -11,6 +11,13 @@ packages:
       size: 9223
   original:
     hackage: Cabal-3.10.1.0@sha256:6d11adf7847d9734e7b02785ff831b5a0d11536bfbcefd6634b2b08411c63c94,12316
+- completed:
+    hackage: hi-file-parser-0.1.5.0@sha256:112ca75860d12ac12e603acf16fc685fdbff3b7b07ac5e2cf79bc14d91baf2fc,2850
+    pantry-tree:
+      sha256: bb86b1a331d75f58399499cd8cab40164f16df2c405e485373bfed06a6b63503
+      size: 2392
+  original:
+    hackage: hi-file-parser-0.1.5.0@sha256:112ca75860d12ac12e603acf16fc685fdbff3b7b07ac5e2cf79bc14d91baf2fc,2850
 - completed:
     hackage: process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
     pantry-tree:
@@ -20,7 +27,7 @@ packages:
     hackage: process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
 snapshots:
 - completed:
-    sha256: a3bfe0e7a268a5b892695cb9b16894c09125e13b5da34b4cc3dba713cfa59c48
-    size: 678950
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/nightly/2023/10/4.yaml
-  original: nightly-2023-10-04
+    sha256: 917b397e40f0d5bc99e350f5bc5921456f091cf35b61a869838e14dfbc46e6e1
+    size: 684486
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/nightly/2023/10/9.yaml
+  original: nightly-2023-10-09
diff --git a/stack.yaml b/stack.yaml
index 114948f155..d94a8d0545 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -16,6 +16,8 @@ extra-deps:
 - crypton-x509-store-1.6.9@sha256:422b9b9f87a7382c66385d047615b16fc86a68c08ea22b1e0117c143a2d44050,1750
 - crypton-x509-system-1.6.7@sha256:023ed573d82983bc473a37a89e0434a085b413be9f68d07e085361056afd4637,1532
 - crypton-x509-validation-1.6.12@sha256:85989721b64be4b90de9f66ef641c26f57575cffed1a50d707065fb60176f386,2227
+# lts-21.13 specifies hi-file-parser-0.1.4.0
+- hi-file-parser-0.1.5.0@sha256:112ca75860d12ac12e603acf16fc685fdbff3b7b07ac5e2cf79bc14d91baf2fc,2850
 # lts-21.13 specifies hpack-0.35.2
 - hpack-0.36.0@sha256:c2daa6556afc57367a5d1dbd878bf515d442d201e24b27473051359abd47ed08,5187
 - http-client-tls-0.3.6.3@sha256:a5909ce412ee65c141b8547f8fe22236f175186c95c708e86a46b5547394f910,2046
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 6b07697322..0872084706 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -81,6 +81,13 @@ packages:
       size: 639
   original:
     hackage: crypton-x509-validation-1.6.12@sha256:85989721b64be4b90de9f66ef641c26f57575cffed1a50d707065fb60176f386,2227
+- completed:
+    hackage: hi-file-parser-0.1.5.0@sha256:112ca75860d12ac12e603acf16fc685fdbff3b7b07ac5e2cf79bc14d91baf2fc,2850
+    pantry-tree:
+      sha256: bb86b1a331d75f58399499cd8cab40164f16df2c405e485373bfed06a6b63503
+      size: 2392
+  original:
+    hackage: hi-file-parser-0.1.5.0@sha256:112ca75860d12ac12e603acf16fc685fdbff3b7b07ac5e2cf79bc14d91baf2fc,2850
 - completed:
     hackage: hpack-0.36.0@sha256:c2daa6556afc57367a5d1dbd878bf515d442d201e24b27473051359abd47ed08,5187
     pantry-tree: