diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7264471..c3654ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,29 +10,37 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ghc: ['8.6', '8.8', '8.10', '9.0', '9.2']
+        ghc: ['9.6', '9.8', '9.10', '9.12']
+        include:
+          - cabal: latest
+          - ghc: '8.6'
+            cabal: '3.6'
+          - ghc: '8.8'
+            cabal: '3.6'
+          - ghc: '8.10'
+            cabal: '3.6'
       fail-fast: false
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache ~/.cabal/packages
       with:
         path: ~/.cabal/packages
         key: ${{ runner.os }}-${{ matrix.ghc }}-cabal-packages
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store
         key: ${{ runner.os }}-${{ matrix.ghc }}-cabal-store
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache dist-newstyle
       with:
         path: dist-newstyle
         key: ${{ runner.os }}-${{ matrix.ghc }}-dist-newstyle
-    - uses: haskell/actions/setup@v2.4.7
+    - uses: haskell-actions/setup@v2.7.11
       with:
         ghc-version: ${{ matrix.ghc }}
-        cabal-version: '3.6'
+        cabal-version: ${{ matrix.cabal }}
     - name: Update cabal package database
       run: cabal update
     - name: Build
@@ -48,11 +56,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        stack-yaml: ['stack-8.10.yaml']
+        stack-yaml: ['stack-8.10.yaml', 'stack-9.8.yaml']
       fail-fast: false
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache ~/.stack
       with:
         path: ~/.stack
@@ -73,14 +81,18 @@ jobs:
         stack bench --stack-yaml ${{ matrix.stack-yaml }} opentelemetry-extra --benchmark-arguments '+RTS -l'
 
   macos-stack:
-    runs-on: macOS-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        stack-yaml: ['stack-8.10.yaml']
+        include:
+          - os: macOS-latest
+            stack-yaml: 'stack-9.8.yaml'
+          - os: macOS-13
+            stack-yaml: 'stack-8.10.yaml'
       fail-fast: false
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache ~/.stack
       with:
         path: ~/.stack
@@ -104,29 +116,33 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        ghc: ['8.10', '9.0', '9.2']
+        include:
+          - ghc: '9.8'
+            cabal: latest
+          - ghc: '8.10'
+            cabal: '3.8'
       fail-fast: false
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache ~/.cabal/packages
       with:
         path: ~/.cabal/packages
         key: ${{ runner.os }}-${{ matrix.ghc }}-cabal-packages
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store
         key: ${{ runner.os }}-${{ matrix.ghc }}-cabal-store
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@v4.2.3
       name: Cache dist-newstyle
       with:
         path: dist-newstyle
         key: ${{ runner.os }}-${{ matrix.ghc }}-dist-newstyle
-    - uses: haskell/actions/setup@v2.4.7
+    - uses: haskell-actions/setup@v2.7.11
       with:
         ghc-version: ${{ matrix.ghc }}
-        cabal-version: '3.6'
+        cabal-version: ${{ matrix.cabal }}
     - name: Update cabal package database
       run: cabal update
     - name: Build
diff --git a/opentelemetry-extra/src/OpenTelemetry/EventlogStreaming_Internal.hs b/opentelemetry-extra/src/OpenTelemetry/EventlogStreaming_Internal.hs
index c473fe7..6d8d515 100644
--- a/opentelemetry-extra/src/OpenTelemetry/EventlogStreaming_Internal.hs
+++ b/opentelemetry-extra/src/OpenTelemetry/EventlogStreaming_Internal.hs
@@ -277,7 +277,7 @@ handleOpenTelemetryEventlogEvent m st (tid, now, m_trace_id) =
         Nothing -> error $ "set spanid " <> show serial <> " " <> show span_id <> ": span id not found"
     SetTraceEv (SpanInFlight serial) trace_id ->
       case HM.lookup serial $ serial2sid st of
-        Nothing -> error $ "set traceid: span id not found for serial" <> show serial
+        Nothing -> error $ "set traceid: span id not found for serial " <> show serial
         Just span_id ->
           ( (modifySpan span_id (setTraceId trace_id) st)
               { traceMap = HM.insert tid trace_id $ traceMap st
@@ -287,7 +287,7 @@ handleOpenTelemetryEventlogEvent m st (tid, now, m_trace_id) =
           )
     TagEv (SpanInFlight serial) k v ->
       case HM.lookup serial $ serial2sid st of
-        Nothing -> error $ "set tag: span id not found for serial" <> show serial
+        Nothing -> error $ "set tag: span id not found for serial " <> show serial
         Just span_id -> (modifySpan span_id (setTag k v) st, [], [])
     EndSpanEv (SpanInFlight serial) ->
       case HM.lookup serial $ serial2sid st of
diff --git a/opentelemetry-extra/unit-tests/Arbitrary.hs b/opentelemetry-extra/unit-tests/Arbitrary.hs
index 217a1a2..d51bedc 100644
--- a/opentelemetry-extra/unit-tests/Arbitrary.hs
+++ b/opentelemetry-extra/unit-tests/Arbitrary.hs
@@ -2,7 +2,7 @@
 {-# LANGUAGE DerivingVia #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE StandaloneDeriving #-}
-{-# OPTIONS_GHC -Wno-orphans #-}
+{-# OPTIONS_GHC -Wno-orphans -fconstraint-solver-iterations=8 #-}
 
 module Arbitrary where
 
diff --git a/stack-8.10.yaml b/stack-8.10.yaml
index 87505ce..7b83993 100644
--- a/stack-8.10.yaml
+++ b/stack-8.10.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2021-04-02
+resolver: lts-18.28
 
 packages:
 - megaexample
@@ -8,7 +8,3 @@ packages:
 - opentelemetry-wai
 
 allow-newer: true
-
-extra-deps:
-- jsonifier-0.1.0.5
-- ptr-poker-0.1.1.3
diff --git a/stack-9.8.yaml b/stack-9.8.yaml
new file mode 100644
index 0000000..7f3af01
--- /dev/null
+++ b/stack-9.8.yaml
@@ -0,0 +1,10 @@
+resolver: lts-23.19
+
+packages:
+- megaexample
+- opentelemetry
+- opentelemetry-extra
+- opentelemetry-lightstep
+- opentelemetry-wai
+
+allow-newer: true