From 57f3a501231891c6edf61cdd793287542135169a Mon Sep 17 00:00:00 2001
From: Michael Abbott <32575566+mcabbott@users.noreply.github.com>
Date: Tue, 19 Jul 2022 14:21:20 -0400
Subject: [PATCH 1/2] rm Tuple

---
 src/rulesets/Base/indexing.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rulesets/Base/indexing.jl b/src/rulesets/Base/indexing.jl
index 720038ea5..112c52a31 100644
--- a/src/rulesets/Base/indexing.jl
+++ b/src/rulesets/Base/indexing.jl
@@ -101,7 +101,7 @@ end
 
 function frule((_, ẋ), ::typeof(Base.tail), x::Tuple)
     y = Base.tail(x)
-    return y, Tangent{typeof(y)}(Base.tail(Tuple(ẋ))...)
+    return y, Tangent{typeof(y)}(Base.tail(ẋ)...)
 end
 
 function rrule(::typeof(Base.tail), x::T) where {T<:Tuple}

From fd678e08a6fd388be5ebf9790a1b2f0d344be462 Mon Sep 17 00:00:00 2001
From: Michael Abbott <32575566+mcabbott@users.noreply.github.com>
Date: Tue, 19 Jul 2022 14:22:05 -0400
Subject: [PATCH 2/2] versions

---
 Project.toml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Project.toml b/Project.toml
index bb1dfe177..12f9880e4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "ChainRules"
 uuid = "082447d4-558c-5d27-93f4-14fc19e9eca2"
-version = "1.39.0"
+version = "1.39.1"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
@@ -14,7 +14,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-ChainRulesCore = "1.12"
+ChainRulesCore = "1.15.3"
 ChainRulesTestUtils = "1.5"
 Compat = "3.42.0, 4"
 FiniteDifferences = "0.12.20"