diff --git a/Cargo.lock b/Cargo.lock
index b4e7bee..07f558f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4036,7 +4036,7 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "wac-cli"
-version = "0.8.0"
+version = "0.9.0-dev"
 dependencies = [
  "anyhow",
  "clap",
@@ -4065,7 +4065,7 @@ dependencies = [
 
 [[package]]
 name = "wac-graph"
-version = "0.8.0"
+version = "0.9.0-dev"
 dependencies = [
  "anyhow",
  "id-arena",
@@ -4089,7 +4089,7 @@ dependencies = [
 
 [[package]]
 name = "wac-parser"
-version = "0.8.0"
+version = "0.9.0-dev"
 dependencies = [
  "anyhow",
  "id-arena",
@@ -4116,7 +4116,7 @@ dependencies = [
 
 [[package]]
 name = "wac-resolver"
-version = "0.8.0"
+version = "0.9.0-dev"
 dependencies = [
  "anyhow",
  "futures",
@@ -4145,7 +4145,7 @@ dependencies = [
 
 [[package]]
 name = "wac-types"
-version = "0.8.0"
+version = "0.9.0-dev"
 dependencies = [
  "anyhow",
  "id-arena",
diff --git a/Cargo.toml b/Cargo.toml
index b048102..1eeeac3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ keywords = { workspace = true }
 repository = { workspace = true }
 
 [workspace.package]
-version = "0.8.0"
+version = "0.9.0-dev"
 edition = "2021"
 authors = ["Peter Huene <peter@huene.dev>"]
 license = "Apache-2.0 WITH LLVM-exception"
@@ -59,10 +59,10 @@ native-tls-vendored = ["warg-client?/native-tls-vendored"]
 members = ["examples/programmatic"]
 
 [workspace.dependencies]
-wac-parser = { path = "crates/wac-parser", version = "0.8.0", default-features = false }
-wac-resolver = { path = "crates/wac-resolver", version = "0.8.0", default-features = false }
-wac-graph = { path = "crates/wac-graph", version = "0.8.0" }
-wac-types = { path = "crates/wac-types", version = "0.8.0" }
+wac-parser = { path = "crates/wac-parser", version = "0.9.0-dev", default-features = false }
+wac-resolver = { path = "crates/wac-resolver", version = "0.9.0-dev", default-features = false }
+wac-graph = { path = "crates/wac-graph", version = "0.9.0-dev" }
+wac-types = { path = "crates/wac-types", version = "0.9.0-dev" }
 wit-parser = "0.235.0"
 wasmparser = "0.235.0"
 wit-component = "0.235.0"
diff --git a/crates/wac-parser/tests/encoding/include-resource.wac.result b/crates/wac-parser/tests/encoding/include-resource.wac.result
index aff360b..7b0249a 100644
--- a/crates/wac-parser/tests/encoding/include-resource.wac.result
+++ b/crates/wac-parser/tests/encoding/include-resource.wac.result
@@ -46,6 +46,6 @@
     )
   )
   (@producers
-    (processed-by "wac-parser" "0.8.0")
+    (processed-by "wac-parser" "0.9.0-dev")
   )
 )
diff --git a/crates/wac-parser/tests/encoding/instantiation.wac.result b/crates/wac-parser/tests/encoding/instantiation.wac.result
index 746c1c8..ddc470b 100644
--- a/crates/wac-parser/tests/encoding/instantiation.wac.result
+++ b/crates/wac-parser/tests/encoding/instantiation.wac.result
@@ -84,6 +84,6 @@
   (alias export $x4 "foo" (func (;3;)))
   (export (;4;) "foo" (func 3))
   (@producers
-    (processed-by "wac-parser" "0.8.0")
+    (processed-by "wac-parser" "0.9.0-dev")
   )
 )
diff --git a/crates/wac-parser/tests/encoding/merged-functions.wac.result b/crates/wac-parser/tests/encoding/merged-functions.wac.result
index 21be24c..b82f2a7 100644
--- a/crates/wac-parser/tests/encoding/merged-functions.wac.result
+++ b/crates/wac-parser/tests/encoding/merged-functions.wac.result
@@ -47,6 +47,6 @@
     )
   )
   (@producers
-    (processed-by "wac-parser" "0.8.0")
+    (processed-by "wac-parser" "0.9.0-dev")
   )
 )
diff --git a/crates/wac-parser/tests/encoding/resources.wac.result b/crates/wac-parser/tests/encoding/resources.wac.result
index 3b89bba..8f5a16b 100644
--- a/crates/wac-parser/tests/encoding/resources.wac.result
+++ b/crates/wac-parser/tests/encoding/resources.wac.result
@@ -50,6 +50,6 @@
   (alias export $x "foo" (instance (;2;)))
   (export (;3;) "foo" (instance 2))
   (@producers
-    (processed-by "wac-parser" "0.8.0")
+    (processed-by "wac-parser" "0.9.0-dev")
   )
 )
diff --git a/crates/wac-parser/tests/encoding/types.wac.result b/crates/wac-parser/tests/encoding/types.wac.result
index 72bc3bb..1565be0 100644
--- a/crates/wac-parser/tests/encoding/types.wac.result
+++ b/crates/wac-parser/tests/encoding/types.wac.result
@@ -171,6 +171,6 @@
   (export $p2 (;59;) "p2" (type $p))
   (export $q2 (;60;) "q2" (type $q))
   (@producers
-    (processed-by "wac-parser" "0.8.0")
+    (processed-by "wac-parser" "0.9.0-dev")
   )
 )
diff --git a/crates/wac-resolver/tests/registry.rs b/crates/wac-resolver/tests/registry.rs
index d039fc9..cf3b2f9 100644
--- a/crates/wac-resolver/tests/registry.rs
+++ b/crates/wac-resolver/tests/registry.rs
@@ -113,7 +113,7 @@ export i2.foo as "bar";
   (export (;6;) "test:wit/foo" (instance 4))
   (export (;7;) "bar" (instance 5))
   (@producers
-    (processed-by "wac-parser" "0.8.0")
+    (processed-by "wac-parser" "0.9.0-dev")
   )
 )
 "#