diff --git a/Cargo.lock b/Cargo.lock
index 283618becaf..05cfa56610c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -969,7 +969,7 @@ dependencies = [
 [[package]]
 name = "c-kzg"
 version = "0.1.0"
-source = "git+https://github.com/realbigsean//c-kzg-4844?rev=1f25100d889c1dcc221f0c624225b38d511387a2#1f25100d889c1dcc221f0c624225b38d511387a2"
+source = "git+https://github.com/michaelsproul//c-kzg-4844?rev=9c47e976fe1133148742866c0ad10568ce182950#9c47e976fe1133148742866c0ad10568ce182950"
 dependencies = [
  "bindgen 0.64.0",
  "cc",
@@ -982,7 +982,7 @@ dependencies = [
 [[package]]
 name = "c-kzg"
 version = "0.1.0"
-source = "git+https://github.com/realbigsean/c-kzg-4844?rev=1f25100d889c1dcc221f0c624225b38d511387a2#1f25100d889c1dcc221f0c624225b38d511387a2"
+source = "git+https://github.com/michaelsproul/c-kzg-4844?rev=9c47e976fe1133148742866c0ad10568ce182950#9c47e976fe1133148742866c0ad10568ce182950"
 dependencies = [
  "bindgen 0.64.0",
  "cc",
@@ -3952,8 +3952,8 @@ name = "kzg"
 version = "0.1.0"
 dependencies = [
  "arbitrary",
- "c-kzg 0.1.0 (git+https://github.com/realbigsean//c-kzg-4844?rev=1f25100d889c1dcc221f0c624225b38d511387a2)",
- "c-kzg 0.1.0 (git+https://github.com/realbigsean/c-kzg-4844?rev=1f25100d889c1dcc221f0c624225b38d511387a2)",
+ "c-kzg 0.1.0 (git+https://github.com/michaelsproul//c-kzg-4844?rev=9c47e976fe1133148742866c0ad10568ce182950)",
+ "c-kzg 0.1.0 (git+https://github.com/michaelsproul/c-kzg-4844?rev=9c47e976fe1133148742866c0ad10568ce182950)",
  "derivative",
  "ethereum_hashing",
  "ethereum_serde_utils",
diff --git a/book/src/docker.md b/book/src/docker.md
index d67b084da63..defa89517e1 100644
--- a/book/src/docker.md
+++ b/book/src/docker.md
@@ -82,7 +82,7 @@ The `modernity` is:
 
 The `features` is:
 
-* `-dev` for a development build with `minimal-spec` preset enabled.
+* `-dev` for a development build with `minimal` preset enabled (`spec-minimal` feature).
 * empty for a standard build with no custom feature enabled.
 
 
diff --git a/crypto/kzg/Cargo.toml b/crypto/kzg/Cargo.toml
index b26b1343331..1549203957e 100644
--- a/crypto/kzg/Cargo.toml
+++ b/crypto/kzg/Cargo.toml
@@ -16,11 +16,11 @@ serde_derive = "1.0.116"
 ethereum_serde_utils = "0.5.0"
 hex = "0.4.2"
 ethereum_hashing = "1.0.0-beta.2"
-c-kzg = { git = "https://github.com/realbigsean/c-kzg-4844", rev = "1f25100d889c1dcc221f0c624225b38d511387a2" , features = ["mainnet-spec"]}
-c_kzg_min = { package = "c-kzg", git = "https://github.com/realbigsean//c-kzg-4844", rev = "1f25100d889c1dcc221f0c624225b38d511387a2", features = ["minimal-spec"] }
+c-kzg = { git = "https://github.com/michaelsproul/c-kzg-4844", rev = "9c47e976fe1133148742866c0ad10568ce182950" , features = ["mainnet-spec"]}
+c_kzg_min = { package = "c-kzg", git = "https://github.com/michaelsproul//c-kzg-4844", rev = "9c47e976fe1133148742866c0ad10568ce182950", features = ["minimal-spec"], optional = true }
 arbitrary = { version = "1.0", features = ["derive"], optional = true }
 
 [features]
-default = ["mainnet-spec"]
-mainnet-spec = ["c-kzg/mainnet-spec"]
-minimal-spec = ["c-kzg/minimal-spec"]
\ No newline at end of file
+# TODO(deneb): enabled by default for convenience, would need more cfg magic to disable
+default = ["c_kzg_min"]
+minimal-spec = ["c_kzg_min"]
\ No newline at end of file