diff --git a/stack-ghc-9.6.3.yaml b/stack-ghc-9.6.3.yaml
index 98e44ab535..0b5a5103d1 100644
--- a/stack-ghc-9.6.3.yaml
+++ b/stack-ghc-9.6.3.yaml
@@ -2,7 +2,14 @@
 # built with GHC 9.6.3.
 
 # GHC 9.6.3
-resolver: nightly-2023-10-01
+resolver: nightly-2023-10-04
+
+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
+# GHC 9.6.3 comes with process-1.6.17.0, which can segfault on macOS.
+- process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
 
 docker:
   enable: false
diff --git a/stack-ghc-9.6.3.yaml.lock b/stack-ghc-9.6.3.yaml.lock
index 32c058102a..80243a4ce8 100644
--- a/stack-ghc-9.6.3.yaml.lock
+++ b/stack-ghc-9.6.3.yaml.lock
@@ -3,10 +3,24 @@
 # For more information, please see the documentation at:
 #   https://docs.haskellstack.org/en/stable/lock_files
 
-packages: []
+packages:
+- completed:
+    hackage: Cabal-3.10.1.0@sha256:6d11adf7847d9734e7b02785ff831b5a0d11536bfbcefd6634b2b08411c63c94,12316
+    pantry-tree:
+      sha256: 3d175ab2e29f17494599bf5844d0037d01fd04287ac5d50c5c788b0633a8ee6f
+      size: 9223
+  original:
+    hackage: Cabal-3.10.1.0@sha256:6d11adf7847d9734e7b02785ff831b5a0d11536bfbcefd6634b2b08411c63c94,12316
+- completed:
+    hackage: process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
+    pantry-tree:
+      sha256: 3f9fef1f9a6ed1a6923578ada0bc8c16d016344cc67614473384524334463cc2
+      size: 1675
+  original:
+    hackage: process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
 snapshots:
 - completed:
-    sha256: 5263c5cd05907ff6625e22009db2774a9d7d88fc713d8e41619b284a132f5923
-    size: 675308
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/nightly/2023/10/1.yaml
-  original: nightly-2023-10-01
+    sha256: a3bfe0e7a268a5b892695cb9b16894c09125e13b5da34b4cc3dba713cfa59c48
+    size: 678950
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/nightly/2023/10/4.yaml
+  original: nightly-2023-10-04
diff --git a/stack.yaml b/stack.yaml
index 288b0963ea..114948f155 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,6 +1,9 @@
 resolver: lts-21.13 # GHC 9.4.7
 
 extra-deps:
+# Cabal is pruned because process is a GHC boot package, and has to be specified
+# again.
+- Cabal-3.8.1.0@sha256:77121d8e1aff14a0fd95684b751599db78a7dd26d55862d9fcef27c88b193e9d,12609
 - aeson-warning-parser-0.1.0@sha256:f2c1c42b73aa35d352060abcbb867c410cbbf57d0cb0fed607bcd1e2a74954ad,1308
 - ansi-terminal-1.0@sha256:640ffecfd95471388d939fcacb57bdc0cef15f0457746c234a12cdd5a6c6d1e8,2706
 # Required because ansi-wl-pprint-0.6.9 specifies ansi-terminal < 0.12. See:
@@ -20,6 +23,8 @@ extra-deps:
 - optparse-applicative-0.18.1.0@sha256:b4cf8d9018e5e67cb1f14edb5130b6d05ad8bc1b5f6bd4efaa6ec0b7f28f559d,5132
 - optparse-generic-1.5.1@sha256:c65a7d3429feedf870f5a9f7f0d2aaf75609888b52449f85f22871b5f5a7e95f,2204
 - pantry-0.9.2@sha256:e1c5444d1b4003435d860853abd21e91e5fc337f2b2e2c8c992a2bac04712dc0,7650
+# GHC 9.6.3 comes with process-1.6.17.0, which can segfault on macOS.
+- process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
 - static-bytes-0.1.0@sha256:35dbf30f617baa0151682c97687042516be07872a39984f9fe31f78125b962bf,1627
 - tar-conduit-0.4.0@sha256:f333649770f5ec42a83a93b0d424cf6bb895d80dfbee05a54340395f81d036ae,3126
 - tls-1.9.0@sha256:8ad332dc0224decb1b137bf6c9678b4f786487b9aaa5c9068cd3ad19d42c39a7,5571
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 01e3dcbcf9..6b07697322 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -4,6 +4,13 @@
 #   https://docs.haskellstack.org/en/stable/lock_files
 
 packages:
+- completed:
+    hackage: Cabal-3.8.1.0@sha256:77121d8e1aff14a0fd95684b751599db78a7dd26d55862d9fcef27c88b193e9d,12609
+    pantry-tree:
+      sha256: 69af34caaaae2fa5ad24c69b7eead612b896d5c00d742d40ba0c1ae3ab6afd4f
+      size: 8955
+  original:
+    hackage: Cabal-3.8.1.0@sha256:77121d8e1aff14a0fd95684b751599db78a7dd26d55862d9fcef27c88b193e9d,12609
 - completed:
     hackage: aeson-warning-parser-0.1.0@sha256:f2c1c42b73aa35d352060abcbb867c410cbbf57d0cb0fed607bcd1e2a74954ad,1308
     pantry-tree:
@@ -116,6 +123,13 @@ packages:
       size: 2665
   original:
     hackage: pantry-0.9.2@sha256:e1c5444d1b4003435d860853abd21e91e5fc337f2b2e2c8c992a2bac04712dc0,7650
+- completed:
+    hackage: process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
+    pantry-tree:
+      sha256: 3f9fef1f9a6ed1a6923578ada0bc8c16d016344cc67614473384524334463cc2
+      size: 1675
+  original:
+    hackage: process-1.6.18.0@sha256:cd0a3e0376b5a8525983d3131a31e52f9ffefc278ce635eec45a9d3987b8be3e,3025
 - completed:
     hackage: static-bytes-0.1.0@sha256:35dbf30f617baa0151682c97687042516be07872a39984f9fe31f78125b962bf,1627
     pantry-tree: