diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c2466c3..59241aa2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,11 +7,7 @@ env:
 
 jobs:
   build:
-    strategy:
-      matrix:
-        os: [ubuntu-20.04, macos-11]
-    runs-on: ${{ matrix.os }}
-
+    runs-on: macos-11
     steps:
       - uses: actions/checkout@v3
       - uses: gradle/wrapper-validation-action@v1
@@ -55,21 +51,17 @@ jobs:
               -PRELEASE_SIGNING_ENABLED=false \
               publishToMavenLocal
           fi
-        if: ${{ runner.os == 'macOS' && github.repository_owner == 'JuulLabs' }}
 
       - run: ./gradlew jacocoTestReport
-        if: runner.os == 'Linux'
 
-      - uses: EnricoMi/publish-unit-test-result-action@v1
+      - uses: EnricoMi/publish-unit-test-result-action/composite@v1
         with:
           files: '**/build/test-results/**/*.xml'
           report_individual_runs: 'true'
-        if: runner.os == 'Linux'
 
       - uses: codecov/codecov-action@v3
         with:
           fail_ci_if_error: true
-        if: runner.os == 'Linux'
 
       - run: |
           rm -f ~/.gradle/caches/modules-2/modules-2.lock
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index a611cbc3..03f3050b 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -34,9 +34,8 @@ jobs:
 
       - run: ./gradlew dokkaHtmlMultiModule
 
-      - uses: JamesIves/github-pages-deploy-action@v4.3.3
+      - uses: JamesIves/github-pages-deploy-action@v4.3.4
         with:
-          branch: gh-pages
           folder: build/gh-pages
 
       - run: |
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ef6aef04..7d3047cb 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -32,7 +32,10 @@ jobs:
             ${{ runner.os }}-publish-
             ${{ runner.os }}-
 
-      - run: ./gradlew check
+      # Enabled new memory model for tests to workaround `MockEngine` freezing issue (after upgrading to Ktor 2.0.0).
+      # https://github.com/JuulLabs/tuulbox/pull/168
+      - run: ./gradlew -Pkotlin.native.binary.memoryModel=experimental check
+
       - run: >-
           ./gradlew
           --no-parallel
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 556fe943..8f46c202 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ coroutines = "1.6.1"
 coroutines-native = "1.6.0-native-mt!!"
 jacoco = "0.8.7"
 kotlin = "1.7.0"
-ktor = "2.0.2"
+ktor = "2.0.3"
 
 [libraries]
 androidx-startup = { module = "androidx.startup:startup-runtime", version = "1.1.1" }
@@ -12,7 +12,7 @@ kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutine
 kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "coroutines" }
 kotlinx-coroutines-native = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "coroutines-native" }
 kotlinx-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "coroutines" }
-kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version = "0.3.3" }
+kotlinx-datetime = { module = "org.jetbrains.kotlinx:kotlinx-datetime", version = "0.4.0" }
 ktor-core = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
 ktor-logging = { module = "io.ktor:ktor-client-logging", version.ref = "ktor" }
 ktor-mock = { module = "io.ktor:ktor-client-mock", version.ref = "ktor" }