diff --git a/CMakeLists.txt b/CMakeLists.txt
index 101cfda5a..e2ad78687 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@ SQLite3_UnicodeSN - The snowball tokenizer library for SQLite
 This project is built for the following platforms at Couchbase:
 - Windows 10
 - UWP
-- macOS 10.14
+- macOS 12.0
 - CentOS 7 (gcc 7.x+)
 - Android API 22+
 
@@ -42,7 +42,7 @@ cmake_policy(VERSION 3.9)
 cmake_policy(SET CMP0057 NEW)
 
 # Mac/apple setup -- must appear before the first "project()" line"
-set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14")
+set(CMAKE_OSX_DEPLOYMENT_TARGET "12.0")
 if(NOT DEFINED CMAKE_OSX_SYSROOT)
     # Tells Mac builds to use the current SDK's headers & libs, not what's in the OS.
     set(CMAKE_OSX_SYSROOT macosx)
diff --git a/Crypto/PublicKey+Apple.mm b/Crypto/PublicKey+Apple.mm
index 38eeccbad..c37e5e3ca 100644
--- a/Crypto/PublicKey+Apple.mm
+++ b/Crypto/PublicKey+Apple.mm
@@ -337,7 +337,10 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
             if (@available(macOS 11.0, iOS 14.0, *)) {
                 publicKeyRef = SecTrustCopyKey(trustRef);
             } else {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                 publicKeyRef = SecTrustCopyPublicKey(trustRef);
+#pragma clang diagnostic pop
             }
             CFRelease(policyRef);
             CFRelease(trustRef);
@@ -536,21 +539,12 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
             
             SecTrustResultType result; // Result will be ignored.
             OSStatus err;
-            if (@available(iOS 12.0, *)) {
-                CFErrorRef cferr;
-                if (!SecTrustEvaluateWithError(trustRef, &cferr)) {
-                    auto error = (__bridge NSError*)cferr;
-                    LogVerbose(TLSLogDomain, "SecTrustEvaluateWithError failed: %s", error.description.UTF8String);
-                }
-                err = SecTrustGetTrustResult(trustRef, &result);
-            } else {
-#if TARGET_OS_MACCATALYST
-                LogError(TLSLogDomain, "Catalyst:SecTrustEvaluateWithError not available, macOS < 10.14, iOS < 12");
-                error::_throw(error::UnsupportedOperation, "Catalyst:SecTrustEvaluateWithError not available, macOS < 10.14, iOS < 12");
-#else
-                err = SecTrustEvaluate(trustRef, &result);
-#endif
+            CFErrorRef cferr;
+            if (!SecTrustEvaluateWithError(trustRef, &cferr)) {
+                auto error = (__bridge NSError*)cferr;
+                LogVerbose(TLSLogDomain, "SecTrustEvaluateWithError failed: %s", error.description.UTF8String);
             }
+            err = SecTrustGetTrustResult(trustRef, &result);
             checkOSStatus(err, "SecTrustEvaluate",
                           "Couldn't evaluate the trust to get certificate chain" );
 
@@ -569,7 +563,10 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
 #endif
             {
                 for (CFIndex i = 1; i < count; i++) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                     SecCertificateRef ref = SecTrustGetCertificateAtIndex(trustRef, i);
+#pragma clang diagnostic pop
                     NSData* data = (NSData*) CFBridgingRelease(SecCertificateCopyData(ref));
                     cert->append(new Cert(slice(data)));
                 }
@@ -639,7 +636,10 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
                 LogError(TLSLogDomain, "Catalyst:SecTrustEvaluateWithError not available, macOS < 10.14 and iOS < 12");
                 error::_throw(error::UnsupportedOperation, "Catalyst:SecTrustEvaluateWithError not available, macOS < 10.14 and iOS < 12");
 #else
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                 err = SecTrustEvaluate(trustRef, &result);
+#pragma clang diagnostic pop
 #endif
             }
 
@@ -694,7 +694,10 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
 #endif
             {
                 for (CFIndex i = count - 1; i >= 0; i--) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                     SecCertificateRef ref = SecTrustGetCertificateAtIndex(trustRef, i);
+#pragma clang diagnostic pop
                     if (getChildCertCount(ref) < 2) {
                         NSDictionary* params = @{
                             (id)kSecClass:              (id)kSecClassCertificate,
@@ -755,21 +758,12 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
             SecTrustResultType result;
             OSStatus err;
 
-            if (@available(iOS 12.0, *)) {
-                CFErrorRef cferr;
-                if (!SecTrustEvaluateWithError(trust, &cferr)) {
-                    auto error = (__bridge NSError*)cferr;
-                    LogVerbose(TLSLogDomain, "SecTrustEvaluateWithError failed: %s", error.description.UTF8String);
-                }
-                err = SecTrustGetTrustResult(trust, &result);
-            } else {
-#if TARGET_OS_MACCATALYST
-                LogError(TLSLogDomain, "Catalyst:SecTrustEvaluateWithError not available, macOS < 10.14, iOS < 12.0");
-                error::_throw(error::UnsupportedOperation, "Catalyst:SecTrustEvaluateWithError not available, macOS < 10.14, iOS < 12.0");
-#else
-                err = SecTrustEvaluate(trust, &result);
-#endif
+            CFErrorRef cferr;
+            if (!SecTrustEvaluateWithError(trust, &cferr)) {
+                auto error = (__bridge NSError*)cferr;
+                LogVerbose(TLSLogDomain, "SecTrustEvaluateWithError failed: %s", error.description.UTF8String);
             }
+            err = SecTrustGetTrustResult(trust, &result);
             checkOSStatus(err, "SecTrustEvaluate", "Couldn't validate certificate");
             LogTo(TLSLogDomain, "    ...SecTrustEvaluate returned %d", result);
             if (result != kSecTrustResultUnspecified && result != kSecTrustResultProceed)
@@ -796,7 +790,10 @@ virtual int _sign(int/*mbedtls_md_type_t*/ mbedDigestAlgorithm,
 #endif
             {
                 for (CFIndex i = 1; i < certCount; ++i) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                     auto certRef = SecTrustGetCertificateAtIndex(trust, i);
+#pragma clang diagnostic pop
                     LogTo(TLSLogDomain, "    ... root %s", describe(certRef).c_str());
                     CFDataRef dataRef = SecCertificateCopyData(certRef);
                     CFAutorelease(dataRef);
diff --git a/LiteCore/Support/Instrumentation.cc b/LiteCore/Support/Instrumentation.cc
index 675ea567d..c0a94fc3a 100644
--- a/LiteCore/Support/Instrumentation.cc
+++ b/LiteCore/Support/Instrumentation.cc
@@ -21,10 +21,8 @@ namespace litecore {
 
 #if defined(__APPLE__) && LITECORE_SIGNPOSTS
 
-#    if TARGET_OS_MACCATALYST
     os_log_t LiteCore = os_log_create("com.couchbase.litecore", "signposts");
     ;
-#    endif
 
     enum Color {
         blue,
@@ -35,30 +33,15 @@ namespace litecore {
     };
 
     void Signpost::mark(Type t, uintptr_t param, uintptr_t param2) {
-#    if TARGET_OS_MACCATALYST
-        if ( __builtin_available(iOS 12.0, *) )
-            os_signpost_event_emit(LiteCore, t, "LiteCore", "%lu %lu %d %d", param, param2, 0, (t % 5));
-#    else
-        kdebug_signpost(t, param, param2, 0, (t % 5));
-#    endif
+        os_signpost_event_emit(LiteCore, t, "LiteCore", "%lu %lu %d %d", param, param2, 0, (t % 5));
     }
 
     void Signpost::begin(Type t, uintptr_t param, uintptr_t param2) {
-#    if TARGET_OS_MACCATALYST
-        if ( __builtin_available(iOS 12.0, *) )
-            os_signpost_interval_begin(LiteCore, t, "LiteCore", "%lu %lu %d %d", param, param2, 0, (t % 5));
-#    else
-        kdebug_signpost_start(t, param, param2, 0, (t % 5));
-#    endif
+        os_signpost_interval_begin(LiteCore, t, "LiteCore", "%lu %lu %d %d", param, param2, 0, (t % 5));
     }
 
     void Signpost::end(Type t, uintptr_t param, uintptr_t param2) {
-#    if TARGET_OS_MACCATALYST
-        if ( __builtin_available(iOS 12.0, *) )
-            os_signpost_interval_end(LiteCore, t, "LiteCore", "%lu %lu %d %d", param, param2, 0, (t % 5));
-#    else
-        kdebug_signpost_end(t, param, param2, 0, (t % 5));
-#    endif
+        os_signpost_interval_end(LiteCore, t, "LiteCore", "%lu %lu %d %d", param, param2, 0, (t % 5));
     }
 #endif
 
diff --git a/Xcode/xcconfigs/Project.xcconfig b/Xcode/xcconfigs/Project.xcconfig
index 851ac5b6c..d4b91d563 100644
--- a/Xcode/xcconfigs/Project.xcconfig
+++ b/Xcode/xcconfigs/Project.xcconfig
@@ -25,8 +25,8 @@ LITECORE_VERSION_STRING                            = 3.2.0
 LITECORE_BUILD_NUMBER                              = 0
 
 IPHONEOS_DEPLOYMENT_TARGET                         = 12.0
-MACOSX_DEPLOYMENT_TARGET                           = 10.14
-TVOS_DEPLOYMENT_TARGET                             = 10.0
+MACOSX_DEPLOYMENT_TARGET                           = 12.0
+TVOS_DEPLOYMENT_TARGET                             = 12.0
 ONLY_ACTIVE_ARCH                                   = YES
 SKIP_INSTALL                                       = YES
 SUPPORTED_PLATFORMS                                = macosx iphoneos iphonesimulator appletvos appletvsimulator