diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 62d1a4865b..15dce9e435 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -162,7 +162,8 @@ jobs:
           --package peepmatic-fuzzing \
           --package peepmatic-macro \
           --package peepmatic-runtime \
-          --package peepmatic-test
+          --package peepmatic-test \
+          --package peepmatic-souper
     - name: Rebuild Peepmatic-based peephole optimizers and test them
       run: |
         cargo test \
@@ -248,7 +249,8 @@ jobs:
             --exclude peepmatic-fuzzing \
             --exclude peepmatic-macro \
             --exclude peepmatic-runtime \
-            --exclude peepmatic-test
+            --exclude peepmatic-test \
+            --exclude peepmatic-souper
       env:
         RUST_BACKTRACE: 1
 
@@ -383,6 +385,7 @@ jobs:
             --exclude peepmatic-macro \
             --exclude peepmatic-runtime \
             --exclude peepmatic-test \
+            --exclude peepmatic-souper \
             --exclude wasmtime-fuzz
       env:
         RUST_BACKTRACE: 1
diff --git a/Cargo.lock b/Cargo.lock
index 4294ac631c..4e264f3c89 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -564,6 +564,7 @@ dependencies = [
  "filecheck",
  "indicatif",
  "log",
+ "peepmatic-souper",
  "pretty_env_logger",
  "target-lexicon",
  "term",
@@ -1326,6 +1327,10 @@ dependencies = [
  "wast",
 ]
 
+[[package]]
+name = "peepmatic-souper"
+version = "0.66.0"
+
 [[package]]
 name = "peepmatic-test"
 version = "0.2.0"
diff --git a/cranelift/Cargo.toml b/cranelift/Cargo.toml
index edcd9580ca..7347c75d96 100644
--- a/cranelift/Cargo.toml
+++ b/cranelift/Cargo.toml
@@ -36,6 +36,7 @@ term = "0.6.1"
 capstone = { version = "0.6.0", optional = true }
 wat = { version = "1.0.18", optional = true }
 target-lexicon = "0.10"
+peepmatic-souper = { path = "./peepmatic/crates/souper", version = "0.66.0", optional = true }
 pretty_env_logger = "0.4.0"
 file-per-thread-logger = "0.1.2"
 indicatif = "0.13.0"
@@ -43,7 +44,7 @@ thiserror = "1.0.15"
 walkdir = "2.2"
 
 [features]
-default = ["disas", "wasm", "cranelift-codegen/all-arch"]
+default = ["disas", "wasm", "cranelift-codegen/all-arch", "peepmatic-souper"]
 disas = ["capstone"]
 enable-peepmatic = ["cranelift-codegen/enable-peepmatic", "cranelift-filetests/enable-peepmatic"]
 wasm = ["wat", "cranelift-wasm"]
diff --git a/cranelift/peepmatic/crates/souper/Cargo.toml b/cranelift/peepmatic/crates/souper/Cargo.toml
new file mode 100644
index 0000000000..1d478d6820
--- /dev/null
+++ b/cranelift/peepmatic/crates/souper/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "peepmatic-souper"
+version = "0.66.0"
+authors = ["Nick Fitzgerald <fitzgen@gmail.com>"]
+edition = "2018"
+license = "Apache-2.0 WITH LLVM-exception"
+description = "Converting Souper optimizations into Peepmatic DSL"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/cranelift/peepmatic/crates/souper/src/lib.rs b/cranelift/peepmatic/crates/souper/src/lib.rs
new file mode 100644
index 0000000000..8431b4bd14
--- /dev/null
+++ b/cranelift/peepmatic/crates/souper/src/lib.rs
@@ -0,0 +1 @@
+//! Converting Souper optimizations into Peepmatic DSL.
diff --git a/scripts/publish.rs b/scripts/publish.rs
index 1cc5b9105b..b612d47356 100644
--- a/scripts/publish.rs
+++ b/scripts/publish.rs
@@ -22,6 +22,7 @@ const CRATES_TO_PUBLISH: &[&str] = &[
     "peepmatic-test-operator",
     "peepmatic-runtime",
     "peepmatic",
+    "peepmatic-souper",
     // cranelift
     "cranelift-entity",
     "cranelift-bforest",