diff --git a/Cargo.lock b/Cargo.lock
index 4c7a553e59..2990e9eca8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3916,9 +3916,9 @@ dependencies = [
 
 [[package]]
 name = "target-lexicon"
-version = "0.10.0"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab0e7238dcc7b40a7be719a25365910f6807bd864f4cce6b2e6b873658e2b19d"
+checksum = "d9bffcddbc2458fa3e6058414599e3c838a022abae82e5c67b4f7f80298d5bff"
 
 [[package]]
 name = "tempfile"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 8288d26d6f..4d8c6bc4b4 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -67,7 +67,7 @@ libc = "0.2"
 libloading = "0.6"
 
 inkwell = { path = "../vendor/inkwell", optional = true }
-target-lexicon = "0.10"
+target-lexicon = "0.12.2"
 tempfile = "3.1.0"
 
 [dev-dependencies]
diff --git a/compiler/build/Cargo.toml b/compiler/build/Cargo.toml
index 77dcf1d8a6..4a627fe58d 100644
--- a/compiler/build/Cargo.toml
+++ b/compiler/build/Cargo.toml
@@ -29,7 +29,7 @@ libloading = "0.6"
 tempfile = "3.1.0"
 serde_json = "1.0"
 inkwell = { path = "../../vendor/inkwell", optional = true }
-target-lexicon = "0.10"
+target-lexicon = "0.12.2"
 
 [dev-dependencies]
 pretty_assertions = "0.5.1"
diff --git a/compiler/gen_dev/Cargo.toml b/compiler/gen_dev/Cargo.toml
index 40f35682f7..07b85fd205 100644
--- a/compiler/gen_dev/Cargo.toml
+++ b/compiler/gen_dev/Cargo.toml
@@ -21,7 +21,7 @@ roc_mono = { path = "../mono" }
 im    = "14" # im and im-rc should always have the same version!
 im-rc = "14" # im and im-rc should always have the same version!
 bumpalo = { version = "3.6.1", features = ["collections"] }
-target-lexicon = "0.10"
+target-lexicon = "0.12.2"
 libloading = "0.6"
 object = { version = "0.24", features = ["write"] }
 
diff --git a/compiler/gen_llvm/Cargo.toml b/compiler/gen_llvm/Cargo.toml
index 3dd95deeaf..af5107b096 100644
--- a/compiler/gen_llvm/Cargo.toml
+++ b/compiler/gen_llvm/Cargo.toml
@@ -21,7 +21,7 @@ im    = "14" # im and im-rc should always have the same version!
 im-rc = "14" # im and im-rc should always have the same version!
 bumpalo = { version = "3.6.1", features = ["collections"] }
 inkwell = { path = "../../vendor/inkwell" }
-target-lexicon = "0.10"
+target-lexicon = "0.12.2"
 
 [dev-dependencies]
 roc_can = { path = "../can" }
diff --git a/compiler/gen_llvm/src/llvm/build.rs b/compiler/gen_llvm/src/llvm/build.rs
index f9afe69e2d..29b8a20867 100644
--- a/compiler/gen_llvm/src/llvm/build.rs
+++ b/compiler/gen_llvm/src/llvm/build.rs
@@ -3935,6 +3935,8 @@ pub fn get_call_conventions(cc: target_lexicon::CallingConvention) -> u32 {
         SystemV => C_CALL_CONV,
         WasmBasicCAbi => C_CALL_CONV,
         WindowsFastcall => C_CALL_CONV,
+        AppleAarch64 => C_CALL_CONV,
+        _ => C_CALL_CONV,
     }
 }
 
diff --git a/compiler/test_gen/Cargo.toml b/compiler/test_gen/Cargo.toml
index 30f3e1a646..06a457e089 100644
--- a/compiler/test_gen/Cargo.toml
+++ b/compiler/test_gen/Cargo.toml
@@ -30,7 +30,7 @@ either = "1.6.1"
 indoc = "0.3.3"
 libc = "0.2"
 inkwell = { path = "../../vendor/inkwell" }
-target-lexicon = "0.10"
+target-lexicon = "0.12.2"
 libloading = "0.6"
 
 [dev-dependencies]
diff --git a/compiler/test_mono/Cargo.toml b/compiler/test_mono/Cargo.toml
index 7929679da6..3167bbc789 100644
--- a/compiler/test_mono/Cargo.toml
+++ b/compiler/test_mono/Cargo.toml
@@ -28,7 +28,7 @@ bumpalo = { version = "3.6.1", features = ["collections"] }
 either = "1.6.1"
 indoc = "0.3.3"
 libc = "0.2"
-target-lexicon = "0.10"
+target-lexicon = "0.12.2"
 libloading = "0.6"
 
 [dev-dependencies]