diff --git a/Cargo.lock b/Cargo.lock
index 86852b299..e60435792 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -283,6 +283,25 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bincode"
+version = "2.0.0-rc.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f11ea1a0346b94ef188834a65c068a03aec181c94896d481d7a0a40d85b0ce95"
+dependencies = [
+ "bincode_derive",
+ "serde",
+]
+
+[[package]]
+name = "bincode_derive"
+version = "2.0.0-rc.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e30759b3b99a1b802a7a3aa21c85c3ded5c28e1c83170d82d70f08bbf7f3e4c"
+dependencies = [
+ "virtue",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.2"
@@ -307,7 +326,7 @@ dependencies = [
  "base64 0.13.1",
  "bech32",
  "bitcoin_hashes",
- "secp256k1",
+ "secp256k1 0.24.1",
  "serde",
 ]
 
@@ -1037,10 +1056,10 @@ checksum = "5caaa75cbd2b960ff1e5392d2cfb1f44717fffe12fc1f32b7b5d1267f99732a6"
 
 [[package]]
 name = "ecdsa_fun"
-version = "0.7.1"
-source = "git+https://github.com/LLFourn/secp256kfun#9657d8c12fd26df5e57254a0063eaf41082a38ca"
+version = "0.9.0"
+source = "git+https://github.com/LLFourn/secp256kfun#2bbac08749b79fc9ec21e5286d1c888b03bd8c03"
 dependencies = [
- "bincode",
+ "bincode 1.3.3",
  "rand_chacha 0.3.1",
  "secp256kfun",
  "sigma_fun",
@@ -3526,7 +3545,17 @@ checksum = "ff55dc09d460954e9ef2fa8a7ced735a964be9981fd50e870b2b3b0705e14964"
 dependencies = [
  "bitcoin_hashes",
  "rand 0.8.3",
- "secp256k1-sys",
+ "secp256k1-sys 0.6.1",
+ "serde",
+]
+
+[[package]]
+name = "secp256k1"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25996b82292a7a57ed3508f052cfff8640d38d32018784acd714758b43da9c8f"
+dependencies = [
+ "secp256k1-sys 0.8.1",
  "serde",
 ]
 
@@ -3539,14 +3568,24 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "secp256k1-sys"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70a129b9e9efbfb223753b9163c4ab3b13cff7fd9c7f010fbac25ab4099fa07e"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "secp256kfun"
-version = "0.7.1"
-source = "git+https://github.com/LLFourn/secp256kfun#9657d8c12fd26df5e57254a0063eaf41082a38ca"
+version = "0.9.0"
+source = "git+https://github.com/LLFourn/secp256kfun#2bbac08749b79fc9ec21e5286d1c888b03bd8c03"
 dependencies = [
+ "bincode 2.0.0-rc.3",
  "digest 0.10.5",
  "rand_core 0.6.2",
- "secp256k1",
+ "secp256k1 0.27.0",
  "serde",
  "subtle-ng",
 ]
@@ -3768,8 +3807,8 @@ checksum = "24188a676b6ae68c3b2cb3a01be17fbf7240ce009799bb56d5b1409051e78fde"
 
 [[package]]
 name = "sigma_fun"
-version = "0.4.1"
-source = "git+https://github.com/LLFourn/secp256kfun#9657d8c12fd26df5e57254a0063eaf41082a38ca"
+version = "0.6.0"
+source = "git+https://github.com/LLFourn/secp256kfun#2bbac08749b79fc9ec21e5286d1c888b03bd8c03"
 dependencies = [
  "curve25519-dalek-ng",
  "digest 0.10.5",
@@ -4905,6 +4944,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
+[[package]]
+name = "virtue"
+version = "0.0.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dcc60c0624df774c82a0ef104151231d37da4962957d691c011c852b2473314"
+
 [[package]]
 name = "void"
 version = "1.0.2"