diff --git a/Cargo.lock b/Cargo.lock
index b1b557d7c5..f3b9a54040 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1195,25 +1195,25 @@ dependencies = [
 [[package]]
 name = "inkwell"
 version = "0.1.0"
-source = "git+https://github.com/rtfeldman/inkwell?tag=llvm10-0.release2#d0a1ce5e678cf0f0e62b757760d1019301c603c9"
+source = "git+https://github.com/rtfeldman/inkwell?tag=llvm10-0.release3#57e9f00d98fc99486e737c314e56a59498c5dbbb"
 dependencies = [
  "either",
  "inkwell_internals",
  "libc",
  "llvm-sys",
  "once_cell",
- "parking_lot 0.10.2",
+ "parking_lot 0.11.0",
  "regex",
 ]
 
 [[package]]
 name = "inkwell_internals"
-version = "0.1.0"
-source = "git+https://github.com/rtfeldman/inkwell?tag=llvm10-0.release2#d0a1ce5e678cf0f0e62b757760d1019301c603c9"
+version = "0.2.0"
+source = "git+https://github.com/rtfeldman/inkwell?tag=llvm10-0.release3#57e9f00d98fc99486e737c314e56a59498c5dbbb"
 dependencies = [
- "proc-macro2 0.4.30",
- "quote 0.6.13",
- "syn 0.15.44",
+ "proc-macro2 1.0.21",
+ "quote 1.0.7",
+ "syn 1.0.40",
 ]
 
 [[package]]
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 4ddc752022..e37bc8781c 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -77,7 +77,7 @@ libloading = "0.6"
 # commit of TheDan64/inkwell, push a new tag which points to the latest commit,
 # change the tag value in this Cargo.toml to point to that tag, and `cargo update`.
 # This way, GitHub Actions works and nobody's builds get broken.
-inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release2" }
+inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release3" }
 target-lexicon = "0.10"
 
 [dev-dependencies]
diff --git a/compiler/build/Cargo.toml b/compiler/build/Cargo.toml
index d178dee1d7..a2a0eea088 100644
--- a/compiler/build/Cargo.toml
+++ b/compiler/build/Cargo.toml
@@ -45,7 +45,7 @@ tempfile = "3.1.0"
 # commit of TheDan64/inkwell, push a new tag which points to the latest commit,
 # change the tag value in this Cargo.toml to point to that tag, and `cargo update`.
 # This way, GitHub Actions works and nobody's builds get broken.
-inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release2" }
+inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release3" }
 target-lexicon = "0.10"
 
 [dev-dependencies]
diff --git a/compiler/gen/Cargo.toml b/compiler/gen/Cargo.toml
index f87447f23f..41420c9056 100644
--- a/compiler/gen/Cargo.toml
+++ b/compiler/gen/Cargo.toml
@@ -39,7 +39,7 @@ either = "1.6.1"
 # commit of TheDan64/inkwell, push a new tag which points to the latest commit,
 # change the tag value in this Cargo.toml to point to that tag, and `cargo update`.
 # This way, GitHub Actions works and nobody's builds get broken.
-inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release2" }
+inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release3" }
 target-lexicon = "0.10"
 libloading = "0.6"
 
diff --git a/compiler/gen/src/llvm/build_list.rs b/compiler/gen/src/llvm/build_list.rs
index 7ef5bd1593..77ee9909bc 100644
--- a/compiler/gen/src/llvm/build_list.rs
+++ b/compiler/gen/src/llvm/build_list.rs
@@ -185,7 +185,9 @@ pub fn list_prepend<'a, 'ctx, 'env>(
         // one we just malloc'd.
         //
         // TODO how do we decide when to do the small memcpy vs the normal one?
-        builder.build_memcpy(index_1_ptr, ptr_bytes, list_ptr, ptr_bytes, list_size);
+        builder
+            .build_memcpy(index_1_ptr, ptr_bytes, list_ptr, ptr_bytes, list_size)
+            .unwrap();
     } else {
         panic!("TODO Cranelift currently only knows how to clone list elements that are Copy.");
     }
@@ -626,7 +628,9 @@ pub fn list_append<'a, 'ctx, 'env>(
         // one we just malloc'd.
         //
         // TODO how do we decide when to do the small memcpy vs the normal one?
-        builder.build_memcpy(clone_ptr, ptr_bytes, list_ptr, ptr_bytes, list_size);
+        builder
+            .build_memcpy(clone_ptr, ptr_bytes, list_ptr, ptr_bytes, list_size)
+            .unwrap();
     } else {
         panic!("TODO Cranelift currently only knows how to clone list elements that are Copy.");
     }
@@ -1816,7 +1820,9 @@ pub fn clone_nonempty_list<'a, 'ctx, 'env>(
         // one we just malloc'd.
         //
         // TODO how do we decide when to do the small memcpy vs the normal one?
-        builder.build_memcpy(clone_ptr, ptr_bytes, elems_ptr, ptr_bytes, size);
+        builder
+            .build_memcpy(clone_ptr, ptr_bytes, elems_ptr, ptr_bytes, size)
+            .unwrap();
     } else {
         panic!("TODO Cranelift currently only knows how to clone list elements that are Copy.");
     }
@@ -1872,7 +1878,9 @@ pub fn clone_list<'a, 'ctx, 'env>(
     );
 
     // copy old elements in
-    builder.build_memcpy(new_ptr, ptr_bytes, old_ptr, ptr_bytes, bytes);
+    builder
+        .build_memcpy(new_ptr, ptr_bytes, old_ptr, ptr_bytes, bytes)
+        .unwrap();
 
     new_ptr
 }
diff --git a/compiler/gen/src/llvm/build_str.rs b/compiler/gen/src/llvm/build_str.rs
index 77c13c282f..24b18a5943 100644
--- a/compiler/gen/src/llvm/build_str.rs
+++ b/compiler/gen/src/llvm/build_str.rs
@@ -537,7 +537,9 @@ fn clone_nonempty_str<'a, 'ctx, 'env>(
 
             // Copy the bytes from the original array into the new
             // one we just malloc'd.
-            builder.build_memcpy(clone_ptr, ptr_bytes, bytes_ptr, ptr_bytes, len);
+            builder
+                .build_memcpy(clone_ptr, ptr_bytes, bytes_ptr, ptr_bytes, len)
+                .unwrap();
 
             // Create a fresh wrapper struct for the newly populated array
             let struct_type = collection(ctx, env.ptr_bytes);
diff --git a/editor/Cargo.toml b/editor/Cargo.toml
index eaa6f140b8..b39514dd02 100644
--- a/editor/Cargo.toml
+++ b/editor/Cargo.toml
@@ -47,7 +47,7 @@ tokio = { version = "0.2", features = ["blocking", "fs", "sync", "rt-threaded",
 # commit of TheDan64/inkwell, push a new tag which points to the latest commit,
 # change the tag value in this Cargo.toml to point to that tag, and `cargo update`.
 # This way, GitHub Actions works and nobody's builds get broken.
-inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release2" }
+inkwell = { git = "https://github.com/rtfeldman/inkwell", tag = "llvm10-0.release3" }
 target-lexicon = "0.10"
 winit = "0.22"
 wgpu = "0.6"