diff --git a/.github/workflows/cocoapods.yml b/.github/workflows/cocoapods.yml
index b6dcd92..77bee41 100644
--- a/.github/workflows/cocoapods.yml
+++ b/.github/workflows/cocoapods.yml
@@ -29,12 +29,16 @@ jobs:
       matrix:
         # watchOS fails linting when there are test, wedge in --skip-tests for
         # those runs.
-        PLATFORM: ["ios", "macos", "tvos", "watchos --skip-tests"]
+        PLATFORM: ["ios", "macos", "tvos", "visionos", "watchos --skip-tests"]
         CONFIGURATION: ["Debug", "Release"]
     steps:
     # The "macos-14" image defaults to 15.0.1, select the newer Xcode.
     - name: Xcode version
       run: sudo xcode-select -switch /Applications/Xcode_15.2.app
+    # The "macos-14" image has CocoaPods 1.14.x, and 1.15 is needed for visionOS
+    - name: Update CocoaPods
+      if: ${{ matrix.PLATFORM == 'visionos' }}
+      run: gem install cocoapods
     - uses: actions/checkout@v4
     # Manually expanding out static frameworks to avoid making to many jobs.
     - name: Pod lib lint
diff --git a/.github/workflows/swiftpm.yml b/.github/workflows/swiftpm.yml
index bd06457..b65db9f 100644
--- a/.github/workflows/swiftpm.yml
+++ b/.github/workflows/swiftpm.yml
@@ -49,7 +49,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        PLATFORM: ["ios", "macos", "tvos", "watchos"]
+        PLATFORM: ["ios", "macos", "tvos", "visionos", "watchos"]
         CONFIGURATION: ["Debug", "Release"]
     steps:
     # The "macos-14" image defaults to 15.0.1, select the newer Xcode.
@@ -69,6 +69,9 @@ jobs:
           tvos)
             DESTINATION="platform=tvOS Simulator,name=Apple TV,OS=latest"
             ;;
+          visionos)
+            DESTINATION="platform=visionOS Simulator,name=Apple Vision Pro,OS=latest"
+            ;;
           watchos)
             DESTINATION="platform=WatchOS Simulator,name=Apple Watch Series 7 (45mm),OS=latest"
             ;;
diff --git a/GTMSessionFetcher.podspec b/GTMSessionFetcher.podspec
index 26ca268..6f5b05f 100644
--- a/GTMSessionFetcher.podspec
+++ b/GTMSessionFetcher.podspec
@@ -24,11 +24,13 @@ Pod::Spec.new do |s|
   ios_deployment_target = '10.0'
   osx_deployment_target = '10.12'
   tvos_deployment_target = '10.0'
+  visionos_deployment_target = '1.0'
   watchos_deployment_target = '6.0'
 
   s.ios.deployment_target = ios_deployment_target
   s.osx.deployment_target = osx_deployment_target
   s.tvos.deployment_target = tvos_deployment_target
+  s.visionos.deployment_target = visionos_deployment_target
   s.watchos.deployment_target = watchos_deployment_target
 
   s.prefix_header_file = false
@@ -70,6 +72,7 @@ Pod::Spec.new do |s|
       :ios => ios_deployment_target,
       :osx => osx_deployment_target,
       :tvos => tvos_deployment_target,
+      :visionos => visionos_deployment_target,
       # Seem to need a higher min to get a good test runner picked/supported.
       :watchos => '7.4'
     }
diff --git a/Sources/Core/GTMSessionFetcher.m b/Sources/Core/GTMSessionFetcher.m
index 3599566..056c3f2 100644
--- a/Sources/Core/GTMSessionFetcher.m
+++ b/Sources/Core/GTMSessionFetcher.m
@@ -103,7 +103,8 @@
       __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_13_0) ||                                       \
      (TARGET_OS_WATCH && defined(__WATCHOS_6_0) &&                                                \
       __WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_6_0) ||                                        \
-     (TARGET_OS_TV && defined(__TVOS_13_0) && __TVOS_VERSION_MIN_REQUIRED >= __TVOS_13_0))
+     (TARGET_OS_TV && defined(__TVOS_13_0) && __TVOS_VERSION_MIN_REQUIRED >= __TVOS_13_0) ||      \
+     (defined(TARGET_OS_VISION) && TARGET_OS_VISION))
 #define GTM_SDK_REQUIRES_TLSMINIMUMSUPPORTEDPROTOCOLVERSION 1
 #define GTM_SDK_SUPPORTS_TLSMINIMUMSUPPORTEDPROTOCOLVERSION 1
 #elif ((TARGET_OS_OSX && defined(__MAC_10_15) && __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_15) || \
@@ -125,7 +126,8 @@
       __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_13_0) ||                                       \
      (TARGET_OS_WATCH && defined(__WATCHOS_6_0) &&                                                \
       __WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_6_0) ||                                        \
-     (TARGET_OS_TV && defined(__TVOS_13_0) && __TVOS_VERSION_MIN_REQUIRED >= __TVOS_13_0))
+     (TARGET_OS_TV && defined(__TVOS_13_0) && __TVOS_VERSION_MIN_REQUIRED >= __TVOS_13_0) ||      \
+     (defined(TARGET_OS_VISION) && TARGET_OS_VISION))
 #define GTM_SDK_REQUIRES_SECTRUSTEVALUATEWITHERROR 1
 #else
 #define GTM_SDK_REQUIRES_SECTRUSTEVALUATEWITHERROR 0