diff --git a/CONFORMANCE.md b/CONFORMANCE.md
index c1ff3de..1fda2d8 100644
--- a/CONFORMANCE.md
+++ b/CONFORMANCE.md
@@ -122,7 +122,7 @@ Behavior columns come in two kinds: **verified** (an official SDK was driven aga
 | [smartbill-style](adapters/smartbill-style/) | SmartBill Cloud API `1.0` | 18 | VM | — | — | [3](#smartbill-style) | [4](#smartbill-style) |
 | [sqs-style](adapters/sqs-style/) | Amazon SQS API `2012-11-05` | 2 | SDK + VM | aws-sdk-go-v2 @ v1.47.1 | 6 | [4](#sqs-style) | [5](#sqs-style) |
 | [square-style](adapters/square-style/) | Square API `2024-08-21` | 18 | SDK | square-node @ 45.1.0 (floor) | 4 | [7](#square-style) | [2](#square-style) |
-| [stripe-style](adapters/stripe-style/) | Stripe API `2025-01-27.acacia` | 158 | SDK | stripe-go/v86 @ v86.3.0<br>stripe-node @ 22.6.2 (floor) | 9 | [7](#stripe-style) | [5](#stripe-style) |
+| [stripe-style](adapters/stripe-style/) | Stripe API `2025-01-27.acacia` | 158 | SDK | stripe-go/v86 @ v86.4.2<br>stripe-node @ 22.6.2 (floor) | 9 | [7](#stripe-style) | [5](#stripe-style) |
 | [tenderly-style](adapters/tenderly-style/) | Tenderly Simulation API `v1` | 5 | VM | — | — | [3](#tenderly-style) | [4](#tenderly-style) |
 | [thegraph-style](adapters/thegraph-style/) | The Graph (GraphQL over subgraphs) `1.0` | 1 +GQL | VM | — | — | [3](#thegraph-style) | [2](#thegraph-style) |
 | [threads-style](adapters/threads-style/) | Threads API (Meta) `v1.0` | 8 | VM | — | — | [3](#threads-style) | [6](#threads-style) |
@@ -508,7 +508,7 @@ sections in `conformance/node/tests/*.test.ts`).
 - orders.create prices line items and mints an order id
 - orders.get round-trips the priced order
 
-### stripe-go/v86 @ v86.3.0
+### stripe-go/v86 @ v86.4.2
 
 **stripe-style**
 
diff --git a/conformance/go.mod b/conformance/go.mod
index 3fcc64c..f274244 100644
--- a/conformance/go.mod
+++ b/conformance/go.mod
@@ -18,7 +18,7 @@ require (
 	github.com/cloudflare/cloudflare-go v0.119.0
 	github.com/ethereum/go-ethereum v1.17.7
 	github.com/google/go-github/v89 v89.0.0
-	github.com/stripe/stripe-go/v86 v86.3.0
+	github.com/stripe/stripe-go/v86 v86.4.2
 	github.com/twilio/twilio-go v1.31.2
 	golang.org/x/oauth2 v0.37.0
 	google.golang.org/api v0.299.0
diff --git a/conformance/go.sum b/conformance/go.sum
index ed73494..01a441a 100644
--- a/conformance/go.sum
+++ b/conformance/go.sum
@@ -262,8 +262,8 @@ github.com/shopspring/decimal v0.0.0-20200105231215-408a2507e114 h1:Pm6R878vxWWW
 github.com/shopspring/decimal v0.0.0-20200105231215-408a2507e114/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/stretchr/testify v1.12.1 h1:EuwCh5fleGS7H32xRwO3wRGT7DxrDhLAT6FF8MpWDWE=
 github.com/stretchr/testify v1.12.1/go.mod h1:MDEgiDPPsNp5cuIrHPPCyornHKgEVbtFUmoNlxoYthg=
-github.com/stripe/stripe-go/v86 v86.3.0 h1:BKtYc3NtRa4EGzKAmp4jvl5q7kk2rwMZ+llF18N5vHI=
-github.com/stripe/stripe-go/v86 v86.3.0/go.mod h1:Co7QRXCKGNOPTugAdvjgRo+KcMtd9hxy+pZMN0yThsQ=
+github.com/stripe/stripe-go/v86 v86.4.2 h1:ITFadkLOU2nlPvVJJdT6WwpScsc8q7X0dR4yrdEr7os=
+github.com/stripe/stripe-go/v86 v86.4.2/go.mod h1:Co7QRXCKGNOPTugAdvjgRo+KcMtd9hxy+pZMN0yThsQ=
 github.com/supranational/blst v0.3.16 h1:bTDadT+3fK497EvLdWRQEjiGnUtzJ7jjIUMF0jqwYhE=
 github.com/supranational/blst v0.3.16/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
 github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 h1:epCh84lMvA70Z7CTTCmYQn2CKbY8j86K7/FAIr141uY=
diff --git a/conformance/matrix.json b/conformance/matrix.json
index b06128d..7f5bf6e 100644
--- a/conformance/matrix.json
+++ b/conformance/matrix.json
@@ -200329,7 +200329,7 @@
       "sdks": [
         {
           "label": "stripe-go/v86",
-          "version": "v86.3.0",
+          "version": "v86.4.2",
           "constraint": "pinned"
         },
         {