diff --git a/Cargo.lock b/Cargo.lock
index fa818e7..c3fe49b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,7 +61,7 @@ dependencies = [
 
 [[package]]
 name = "asciidork-ast"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "asciidork-core",
  "bumpalo",
@@ -72,7 +72,7 @@ dependencies = [
 
 [[package]]
 name = "asciidork-backend"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "asciidork-ast",
  "asciidork-core",
@@ -80,7 +80,7 @@ dependencies = [
 
 [[package]]
 name = "asciidork-cli"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "asciidork-ast",
  "asciidork-core",
@@ -100,14 +100,14 @@ dependencies = [
 
 [[package]]
 name = "asciidork-core"
-version = "0.12.0"
+version = "0.15.1"
 dependencies = [
  "lazy_static",
 ]
 
 [[package]]
 name = "asciidork-dr-html-backend"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "asciidork-ast",
  "asciidork-backend",
@@ -125,7 +125,7 @@ dependencies = [
 
 [[package]]
 name = "asciidork-eval"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "asciidork-ast",
  "asciidork-backend",
@@ -133,7 +133,7 @@ dependencies = [
 
 [[package]]
 name = "asciidork-parser"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "asciidork-ast",
  "asciidork-core",
diff --git a/ast/Cargo.toml b/ast/Cargo.toml
index a64dcf8..f5ade4d 100644
--- a/ast/Cargo.toml
+++ b/ast/Cargo.toml
@@ -1,13 +1,13 @@
 [package]
 name = "asciidork-ast"
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork AST nodes"
 license = "MIT"
 
 [dependencies]
 bumpalo = { version = "3.15.4", features = ["collections"] }
-asciidork-core = { path = "../core", version = "0.12.0" }
+asciidork-core = { path = "../core", version = "0.15.1" }
 smallvec = "1.13.2"
 
 [dev-dependencies]
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index f3a05d5..63e4845 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -1,13 +1,13 @@
 [package]
 name = "asciidork-backend"
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork backend"
 license = "MIT"
 
 [dependencies]
 asciidork-ast = { path = "../ast", version = "0.15.0" }
-asciidork-core = { path = "../core", version = "0.12.0" }
+asciidork-core = { path = "../core", version = "0.15.1" }
 
 [lints]
 workspace = true
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 4f924db..25fd625 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "asciidork-cli"
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork CLI"
 license = "MIT"
@@ -12,7 +12,7 @@ path = "src/main.rs"
 [dependencies]
 asciidork-eval = { path = "../eval", version = "0.15.0" }
 asciidork-ast = { path = "../ast", version = "0.15.0" }
-asciidork-core = { path = "../core", version = "0.12.0" }
+asciidork-core = { path = "../core", version = "0.15.1" }
 asciidork-parser = { path = "../parser", version = "0.15.0" }
 asciidork-dr-html-backend = { path = "../dr-html-backend", version = "0.15.0" }
 colored = "2.0.4"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 0c3c1eb..69acbce 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "asciidork-core"
-version = "0.12.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork core shared utils, types"
 license = "MIT"
diff --git a/dr-html-backend/Cargo.toml b/dr-html-backend/Cargo.toml
index 478c502..cfc2c2f 100644
--- a/dr-html-backend/Cargo.toml
+++ b/dr-html-backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "asciidork-dr-html-backend"
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork Asciidoctor HTML backend"
 license = "MIT"
@@ -9,7 +9,7 @@ license = "MIT"
 asciidork-ast = { path = "../ast", version = "0.15.0" }
 asciidork-backend = { path = "../backend", version = "0.15.0" }
 asciidork-eval = { path = "../eval", version = "0.15.0" }
-asciidork-core = { path = "../core", version = "0.12.0" }
+asciidork-core = { path = "../core", version = "0.15.1" }
 lazy_static = "1.4.0"
 regex = "1.10.2"
 tracing = { version = "0.1", features = ["release_max_level_off"] }
diff --git a/dr-html-wasm/Cargo.toml b/dr-html-wasm/Cargo.toml
index e4786f8..1301a17 100644
--- a/dr-html-wasm/Cargo.toml
+++ b/dr-html-wasm/Cargo.toml
@@ -12,7 +12,7 @@ default = ["console_error_panic_hook"]
 wasm-bindgen = "0.2.84"
 asciidork-parser = { path = "../parser", version = "0.15.0" }
 asciidork-eval = { path = "../eval", version = "0.15.0" }
-asciidork-core = { path = "../core", version = "0.12.0" }
+asciidork-core = { path = "../core", version = "0.15.1" }
 asciidork-dr-html-backend = { path = "../dr-html-backend", version = "0.15.0" }
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
diff --git a/eval/Cargo.toml b/eval/Cargo.toml
index 745e963..0a8c70a 100644
--- a/eval/Cargo.toml
+++ b/eval/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "asciidork-eval"
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork eval"
 license = "MIT"
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 912e910..77dc264 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -1,13 +1,13 @@
 [package]
 name = "asciidork-parser"
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 description = "Asciidork parser"
 license = "MIT"
 
 [dependencies]
 asciidork-ast = { path = "../ast", version = "0.15.0" }
-asciidork-core = { path = "../core", version = "0.12.0" }
+asciidork-core = { path = "../core", version = "0.15.1" }
 bumpalo = { version = "3.15.4", features = ["collections"] }
 jiff = "0.1.15"
 lazy_static = "1.4.0"