diff --git a/ci/interop/v4.8.1.patch b/ci/interop/v4.8.1.patch
deleted file mode 100644
index 6a33b5a..0000000
--- a/ci/interop/v4.8.1.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff --git i/Tracking/CMakeLists.txt w/Tracking/CMakeLists.txt
-index 6a09400b..54c43f15 100644
---- i/Tracking/CMakeLists.txt
-+++ w/Tracking/CMakeLists.txt
-@@ -16,7 +16,6 @@ find_package(Eigen3 CONFIG REQUIRED)
- # if you want to try an alternate Acts, you can
- # 1. comment out the stuff here and replace with add_subdirectory(acts)
- # 2. git clone acts into this directory and choose your version
--find_package(Acts QUIET)
- if (NOT Acts_FOUND)
-   message(STATUS "Did not find Acts, downloading and compiling it here")
-   include(FetchContent)
-@@ -56,6 +55,7 @@ setup_library(module Tracking
-               dependencies Framework::Configure 
-                            Framework::Framework 
-                            ActsCore
-+                           Eigen3::Eigen
-                            Geant4::Interface
-                            ROOT::Physics
-                            Tracking::Event
diff --git a/ci/ldmx-sw-to-test.json b/ci/ldmx-sw-to-test.json
index 3439012..139722e 100644
--- a/ci/ldmx-sw-to-test.json
+++ b/ci/ldmx-sw-to-test.json
@@ -10,6 +10,6 @@
     "v4.5.11",
     "v4.6.5",
     "v4.7.5",
-    "v4.8.1"
+    "v4.8.2"
   ]
 }