diff --git a/espresso/ci_common/common.jsonnet b/espresso/ci_common/common.jsonnet
index bcecaadeef95..84eaae390228 100644
--- a/espresso/ci_common/common.jsonnet
+++ b/espresso/ci_common/common.jsonnet
@@ -50,8 +50,8 @@ local benchmark_suites = ['dacapo', 'renaissance', 'scala-dacapo'];
 
   darwin: self.common + {
     environment+: {
-      // for compatibility with macOS El Capitan
-      MACOSX_DEPLOYMENT_TARGET: '10.11',
+      // for compatibility with macOS Sierra
+      MACOSX_DEPLOYMENT_TARGET: '10.12',
     },
     capabilities: ['darwin', 'amd64'],
   },
diff --git a/sulong/mx.sulong/suite.py b/sulong/mx.sulong/suite.py
index a1dcbb7feaf4..8c19e12acd8d 100644
--- a/sulong/mx.sulong/suite.py
+++ b/sulong/mx.sulong/suite.py
@@ -654,7 +654,7 @@
         "SULONG_BOOTSTRAP_TOOLCHAIN_NO_HOME",
       ],
       "cmakeConfig" : {
-        "CMAKE_OSX_DEPLOYMENT_TARGET" : "10.11",
+        "CMAKE_OSX_DEPLOYMENT_TARGET" : "10.12",
         "CMAKE_C_COMPILER" : "<path:SULONG_BOOTSTRAP_TOOLCHAIN_NO_HOME>/bin/<cmd:clang>",
         "CMAKE_CXX_COMPILER" : "<path:SULONG_BOOTSTRAP_TOOLCHAIN_NO_HOME>/bin/<cmd:clang++>",
         "GRAALVM_LLVM_INCLUDE_DIR" : "<path:com.oracle.truffle.llvm.libraries.graalvm.llvm>/include",
@@ -705,7 +705,7 @@
         "com.oracle.truffle.llvm.libraries.graalvm.llvm",
       ],
       "cmakeConfig" : {
-        "CMAKE_OSX_DEPLOYMENT_TARGET" : "10.11",
+        "CMAKE_OSX_DEPLOYMENT_TARGET" : "10.12",
         "CMAKE_C_COMPILER" : "<path:SULONG_BOOTSTRAP_TOOLCHAIN_NO_HOME>/bin/<cmd:clang>",
         "GRAALVM_LLVM_INCLUDE_DIR" : "<path:com.oracle.truffle.llvm.libraries.graalvm.llvm>/include",
         "LLVM_LINK" : "<path:LLVM_TOOLCHAIN>/bin/<exe:llvm-link>",
@@ -730,7 +730,7 @@
         "sdk:LLVM_TOOLCHAIN",
       ],
       "cmakeConfig" : {
-        "CMAKE_OSX_DEPLOYMENT_TARGET" : "10.11",
+        "CMAKE_OSX_DEPLOYMENT_TARGET" : "10.12",
         "CMAKE_C_COMPILER" : "<path:LLVM_TOOLCHAIN>/bin/<exe:clang>",
         "TRUFFLE_NFI_NATIVE_INCLUDE" : "<path:truffle:TRUFFLE_NFI_NATIVE>/include",
         "CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS" : "YES",
diff --git a/vm/ci_common/common.hocon b/vm/ci_common/common.hocon
index 800c44b49692..1723326ed44b 100644
--- a/vm/ci_common/common.hocon
+++ b/vm/ci_common/common.hocon
@@ -17,7 +17,8 @@ common_vm_darwin: ${common_vm} ${darwin} {
   }
   environment: {
     LANG: en_US.UTF-8
-    MACOSX_DEPLOYMENT_TARGET: "10.11"
+    # for compatibility with macOS Sierra
+    MACOSX_DEPLOYMENT_TARGET: "10.12"
   }
   setup: ${common_vm.setup}
 }
diff --git a/vm/mx.vm/suite.py b/vm/mx.vm/suite.py
index d55ce138ffdb..7bda8d0d009c 100644
--- a/vm/mx.vm/suite.py
+++ b/vm/mx.vm/suite.py
@@ -57,7 +57,7 @@
             },
             {
                 "name": "truffleruby",
-                "version": "139963a0c2c49d2669275dd19d48a0c1ac45b660",
+                "version": "970501c92a3e18deff2597e10061e0184ec6236b",
                 "dynamic": True,
                 "urls": [
                     {"url": "https://github.com/oracle/truffleruby.git", "kind": "git"},