diff --git a/.github/workflows/chacha20.yml b/.github/workflows/chacha20.yml
index cdf2191d..d79583e7 100644
--- a/.github/workflows/chacha20.yml
+++ b/.github/workflows/chacha20.yml
@@ -44,6 +44,7 @@ jobs:
 
   minimal-versions:
     uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
+    if: false
     with:
       working-directory: ${{ github.workflow }}
 
diff --git a/Cargo.lock b/Cargo.lock
index 342e2cdc..584a71db 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,7 +61,7 @@ dependencies = [
  "hex-literal",
  "proptest",
  "rand_chacha",
- "rand_core",
+ "rand_core 0.10.0-rc.1",
  "zeroize",
 ]
 
@@ -140,9 +140,9 @@ dependencies = [
 
 [[package]]
 name = "hex-literal"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcaaec4551594c969335c98c903c1397853d4198408ea609190f420500f6be71"
+checksum = "e712f64ec3850b98572bffac52e2c6f282b29fe6c5fa6d42334b30be438d95c1"
 
 [[package]]
 name = "hybrid-array"
@@ -163,12 +163,6 @@ dependencies = [
  "hybrid-array",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
 [[package]]
 name = "libc"
 version = "0.2.177"
@@ -207,23 +201,22 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.101"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89ae43fd86e4158d6db51ad8e2b80f313af9cc74f5c0e03ccb87de09998732de"
+checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "proptest"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bb0be07becd10686a0bb407298fb425360a5c44a663774406340c59a22de4ce"
+checksum = "bee689443a2bd0a16ab0348b52ee43e3b2d1b1f931c8aa5c9f8de4c86fbe8c40"
 dependencies = [
  "bit-set",
  "bit-vec",
  "bitflags",
- "lazy_static",
  "num-traits",
  "rand",
  "rand_chacha",
@@ -270,7 +263,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
  "rand_chacha",
- "rand_core",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -280,7 +273,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -292,13 +285,18 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.10.0-rc.1"
+source = "git+https://github.com/rust-random/rand?branch=push-spqltotzmryv#74ad09bb14bcacf7f13080803d120803865f34e5"
+
 [[package]]
 name = "rand_xorshift"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "513962919efc330f829edb2535844d1b912b0fbe2ca165d613e4e8788bb05a5a"
 dependencies = [
- "rand_core",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -351,9 +349,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.107"
+version = "2.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a26dbd934e5451d21ef060c018dae56fc073894c5a7896f882928a76e6d081b"
+checksum = "da58917d35242480a05c2897064da0a80589a2a0476c9a3f2fdc83b53502e917"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -387,9 +385,9 @@ checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.19"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63a545481291138910575129486daeaf8ac54aee4387fe7906919f7830c7d9d"
+checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
 
 [[package]]
 name = "wait-timeout"
diff --git a/Cargo.toml b/Cargo.toml
index 26910c8c..178feb0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,7 @@ members = [
 
 [profile.dev]
 opt-level = 2
+
+[patch.crates-io]
+# TODO: remove after rand_core v0.10.0-rc.1 is released
+rand_core = { git = "https://github.com/rust-random/rand", branch = "push-spqltotzmryv" }
diff --git a/chacha20/Cargo.toml b/chacha20/Cargo.toml
index 840c3db3..6e732524 100644
--- a/chacha20/Cargo.toml
+++ b/chacha20/Cargo.toml
@@ -21,7 +21,7 @@ rand_core-compatible RNGs based on those ciphers.
 [dependencies]
 cfg-if = "1"
 cipher = { version = "0.5.0-rc.1", optional = true, features = ["stream-wrapper"] }
-rand_core = { version = "0.9", optional = true, default-features = false }
+rand_core = { version = "0.10.0-rc.1", optional = true, default-features = false }
 
 # `zeroize` is an explicit dependency because this crate may be used without the `cipher` crate
 zeroize = { version = "1.8.1", optional = true, default-features = false }
diff --git a/chacha20/tests/rng.rs b/chacha20/tests/rng.rs
index 89e31149..1d44e26b 100644
--- a/chacha20/tests/rng.rs
+++ b/chacha20/tests/rng.rs
@@ -3,6 +3,7 @@
 #![cfg(feature = "rand_core")]
 
 use proptest::prelude::*;
+use rand_chacha::rand_core::{RngCore as OldRngCore, SeedableRng as OldSeedableRng};
 use rand_core::{RngCore, SeedableRng};
 
 // Number of reads to perform from the RNG in equivalence tests