diff --git a/stack-ghc-9.2.8.yaml b/stack-ghc-9.2.8.yaml
index e2253824..1a15e5e9 100644
--- a/stack-ghc-9.2.8.yaml
+++ b/stack-ghc-9.2.8.yaml
@@ -3,6 +3,7 @@ resolver: lts-20.26 # GHC 9.2.8
 
 packages:
 - aeson-warning-parser-0.1.0@sha256:f2c1c42b73aa35d352060abcbb867c410cbbf57d0cb0fed607bcd1e2a74954ad,1308
+# lts-20.26 provides casa-client-0.0.1
 - casa-client-0.0.2@sha256:1e27a6678c511b3372c4e97ab1a4a9eca4eca8a0a090eac103a1806ce7c8584d,888
 - companion-0.1.0@sha256:99f6de52c832d433639232a6d77d33abbca3b3037e49b7db6242fb9f569a8a2b,1093
 - crypton-0.33@sha256:5e92f29b9b7104d91fcdda1dec9400c9ad1f1791c231cc41ceebd783fb517dee,18202
@@ -12,13 +13,19 @@ packages:
 - 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
-- hpack-0.35.4@sha256:171eaba080e308d26f16cb1b8f77d2b6a2899cf4ff98085912be167f8136ffef,5119
-- http-client-tls-0.3.6.2@sha256:a9362782ddbc1d1f84a2919bbb1b224cefd2b24071b81c3aeb5c5c8d6a1fdb0f,2004
+# lts-20.26 provides hpack-0.35.2
+- hpack-0.35.5@sha256:22b46f28b53ec6fb2d05517b569a74b8b3e5e8c2e89c6b7ca25b345af62f22fa,5119
+# lts-20.26 provides http-client-tls-0.3.6.1
+- http-client-tls-0.3.6.3@sha256:a5909ce412ee65c141b8547f8fe22236f175186c95c708e86a46b5547394f910,2046
+# lts-20.26 provides http-download-0.2.0.0
 - http-download-0.2.1.0@sha256:a97863e96f7d44efc3d0e3061db7fe2540b8374ca44ae90d0b56040140cb7506,1716
-- rio-prettyprint-0.1.4.0@sha256:1f8eb3ead0ef33d3736d53e1de5e9b2c91a0c207cdca23321bd74c401e85f23a,1301
+# lts-20.26 provides rio-prettyprint-0.1.3.0
+- rio-prettyprint-0.1.6.0@sha256:13f414dd5beb9f433867f4cdebb58c7456d61595f4f3f98eba3b125a0b9c127c,1358
 - static-bytes-0.1.0@sha256:35dbf30f617baa0151682c97687042516be07872a39984f9fe31f78125b962bf,1627
+# lts-20.26 provides tar-conduit-0.3.2
 - tar-conduit-0.4.0@sha256:f333649770f5ec42a83a93b0d424cf6bb895d80dfbee05a54340395f81d036ae,3126
-- tls-1.7.1@sha256:3759864ce4452c31b7740ef181667dd3fdd3d136d7bdc01e0cf5200609973d5c,5566
+# crypton-connection-0.3.1 requires tls >= 1.7. lts-20.26 provides tls-1.5.8
+- tls-1.8.0@sha256:0ea435fb1969384c76e6b6ba49c509cec55eec29f60dd2c335151d9c8a4e8b4f,5571
 
 flags:
   ansi-terminal:
diff --git a/stack-ghc-9.4.7.yaml b/stack-ghc-9.4.7.yaml
index 92e39669..57d191fc 100644
--- a/stack-ghc-9.4.7.yaml
+++ b/stack-ghc-9.4.7.yaml
@@ -1,6 +1,5 @@
 # Snapshot specification for GHC 9.4.7.
-resolver: lts-21.9 # GHC 9.4.6
-compiler: ghc-9.4.7
+resolver: lts-21.12 # GHC 9.4.7
 
 packages:
 - aeson-warning-parser-0.1.0@sha256:f2c1c42b73aa35d352060abcbb867c410cbbf57d0cb0fed607bcd1e2a74954ad,1308
@@ -10,12 +9,17 @@ packages:
 - 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
-- hpack-0.35.4@sha256:171eaba080e308d26f16cb1b8f77d2b6a2899cf4ff98085912be167f8136ffef,5119
-- http-client-tls-0.3.6.2@sha256:a9362782ddbc1d1f84a2919bbb1b224cefd2b24071b81c3aeb5c5c8d6a1fdb0f,2004
+# lts-21.12 provides hpack-0.35.2
+- hpack-0.35.5@sha256:22b46f28b53ec6fb2d05517b569a74b8b3e5e8c2e89c6b7ca25b345af62f22fa,5119
+# lts-21.12 provides http-client-tls-0.3.6.1
+- http-client-tls-0.3.6.3@sha256:a5909ce412ee65c141b8547f8fe22236f175186c95c708e86a46b5547394f910,2046
+# lts-21.12 provides http-download-0.2.0.0
 - http-download-0.2.1.0@sha256:a97863e96f7d44efc3d0e3061db7fe2540b8374ca44ae90d0b56040140cb7506,1716
 - static-bytes-0.1.0@sha256:35dbf30f617baa0151682c97687042516be07872a39984f9fe31f78125b962bf,1627
+# lts-21.12 provides tar-conduit-0.3.2.1
 - tar-conduit-0.4.0@sha256:f333649770f5ec42a83a93b0d424cf6bb895d80dfbee05a54340395f81d036ae,3126
-- tls-1.7.1@sha256:3759864ce4452c31b7740ef181667dd3fdd3d136d7bdc01e0cf5200609973d5c,5566
+# crypton-connection-0.3.1 requires tls >= 1.7. lts-21.12 provides tls-1.6.0
+- tls-1.8.0@sha256:0ea435fb1969384c76e6b6ba49c509cec55eec29f60dd2c335151d9c8a4e8b4f,5571
 
 flags:
   ansi-terminal:
diff --git a/stack-ghc-9.6.2.yaml b/stack-ghc-9.6.2.yaml
index 7563fff0..8e664d21 100644
--- a/stack-ghc-9.6.2.yaml
+++ b/stack-ghc-9.6.2.yaml
@@ -1,5 +1,5 @@
 # Snapshot specification for GHC 9.6.2.
-resolver: nightly-2023-08-29 # GHC 9.6.2
+resolver: nightly-2023-09-17 # GHC 9.6.2
 
 flags:
   hackage-security:
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 1e9b5303..288cf94b 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -54,19 +54,19 @@ packages:
   original:
     hackage: crypton-x509-validation-1.6.12@sha256:85989721b64be4b90de9f66ef641c26f57575cffed1a50d707065fb60176f386,2227
 - completed:
-    hackage: hpack-0.35.4@sha256:171eaba080e308d26f16cb1b8f77d2b6a2899cf4ff98085912be167f8136ffef,5119
+    hackage: hpack-0.35.5@sha256:22b46f28b53ec6fb2d05517b569a74b8b3e5e8c2e89c6b7ca25b345af62f22fa,5119
     pantry-tree:
-      sha256: aae0dffd9b40acc51e77ef043c2f1d4d579753037357ccf55c8d50a98b7fe2ef
+      sha256: d129102d5c4a66111877f48f6f4ba93615df574eb85195faf185c53a3cb215bd
       size: 3742
   original:
-    hackage: hpack-0.35.4@sha256:171eaba080e308d26f16cb1b8f77d2b6a2899cf4ff98085912be167f8136ffef,5119
+    hackage: hpack-0.35.5@sha256:22b46f28b53ec6fb2d05517b569a74b8b3e5e8c2e89c6b7ca25b345af62f22fa,5119
 - completed:
-    hackage: http-client-tls-0.3.6.2@sha256:a9362782ddbc1d1f84a2919bbb1b224cefd2b24071b81c3aeb5c5c8d6a1fdb0f,2004
+    hackage: http-client-tls-0.3.6.3@sha256:a5909ce412ee65c141b8547f8fe22236f175186c95c708e86a46b5547394f910,2046
     pantry-tree:
-      sha256: 600dfa374198408aa466fdb483834a51a0e15a25fb095992f82b0f4f05adb3f7
+      sha256: a5659b6051a40039eec1db4b5350a232e2dced7a557917082a39623cfc605323
       size: 435
   original:
-    hackage: http-client-tls-0.3.6.2@sha256:a9362782ddbc1d1f84a2919bbb1b224cefd2b24071b81c3aeb5c5c8d6a1fdb0f,2004
+    hackage: http-client-tls-0.3.6.3@sha256:a5909ce412ee65c141b8547f8fe22236f175186c95c708e86a46b5547394f910,2046
 - completed:
     hackage: http-download-0.2.1.0@sha256:a97863e96f7d44efc3d0e3061db7fe2540b8374ca44ae90d0b56040140cb7506,1716
     pantry-tree:
@@ -89,15 +89,15 @@ packages:
   original:
     hackage: tar-conduit-0.4.0@sha256:f333649770f5ec42a83a93b0d424cf6bb895d80dfbee05a54340395f81d036ae,3126
 - completed:
-    hackage: tls-1.7.1@sha256:3759864ce4452c31b7740ef181667dd3fdd3d136d7bdc01e0cf5200609973d5c,5566
+    hackage: tls-1.8.0@sha256:0ea435fb1969384c76e6b6ba49c509cec55eec29f60dd2c335151d9c8a4e8b4f,5571
     pantry-tree:
-      sha256: 86f1b4c5d019628ceaa1a747af080a4ab43aba25ff7b7d9812ddbdf2a7dd8c00
+      sha256: 9adcea99bd0d277b8f4eeb03680b7b38bd8c903acfb6d9ed3b2f8016d02db749
       size: 4897
   original:
-    hackage: tls-1.7.1@sha256:3759864ce4452c31b7740ef181667dd3fdd3d136d7bdc01e0cf5200609973d5c,5566
+    hackage: tls-1.8.0@sha256:0ea435fb1969384c76e6b6ba49c509cec55eec29f60dd2c335151d9c8a4e8b4f,5571
 snapshots:
 - completed:
-    sha256: 2fc12a405ab6f7eac73eb11a0ca5ccca0e956bd2848db780c140b7406ff9ebb5
-    size: 640035
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/9.yaml
-  original: lts-21.9
+    sha256: 9313df78f49519315342f4c51ffc5da12659d3735f8ac3c54a1fb98ff874474e
+    size: 640036
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/12.yaml
+  original: lts-21.12