diff --git a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
index d92417a..bdc7dd4 100644
--- a/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
+++ b/.ci_support/linux_64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64-cuda11.8:ubi8
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml b/.ci_support/linux_64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
index e4c5801..66da533 100644
--- a/.ci_support/linux_64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
+++ b/.ci_support/linux_64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml b/.ci_support/linux_64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml
index 82cbe36..68edf85 100644
--- a/.ci_support/linux_64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml
+++ b/.ci_support/linux_64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
index 773a100..908ac59 100644
--- a/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64-cuda11.8:ubi8
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_aarch64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml b/.ci_support/linux_aarch64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
index 7d5f134..a118c5e 100644
--- a/.ci_support/linux_aarch64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_aarch64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml b/.ci_support/linux_aarch64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml
index eac05ef..fa82663 100644
--- a/.ci_support/linux_aarch64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml
+++ b/.ci_support/linux_aarch64_c_compiler_version13cuda_compilercuda-nvcccuda_compiler_version12.6cxx_compiler_version13.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_ppc64le_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml b/.ci_support/linux_ppc64le_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
index 5d1ec20..ceb2209 100644
--- a/.ci_support/linux_ppc64le_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
+++ b/.ci_support/linux_ppc64le_c_compiler_version11cuda_compilernvcccuda_compiler_version11.8cxx_compiler_version11.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64-cuda11.8:ubi8
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_ppc64le_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.4cxx_compiler_version12.yaml b/.ci_support/linux_ppc64le_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.4cxx_compiler_version12.yaml
index ee84446..de03336 100644
--- a/.ci_support/linux_ppc64le_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.4cxx_compiler_version12.yaml
+++ b/.ci_support/linux_ppc64le_c_compiler_version12cuda_compilercuda-nvcccuda_compiler_version12.4cxx_compiler_version12.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/linux_ppc64le_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml b/.ci_support/linux_ppc64le_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
index b61f1ae..a63d6cf 100644
--- a/.ci_support/linux_ppc64le_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
+++ b/.ci_support/linux_ppc64le_c_compiler_version13cuda_compilerNonecuda_compiler_versionNonecxx_compiler_version13.yaml
@@ -23,7 +23,7 @@ cxx_compiler_version:
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/.ci_support/migrations/libboost186.yaml b/.ci_support/migrations/libboost186.yaml
new file mode 100644
index 0000000..001c6a6
--- /dev/null
+++ b/.ci_support/migrations/libboost186.yaml
@@ -0,0 +1,14 @@
+__migrator:
+  build_number: 1
+  kind: version
+  commit_message: "Rebuild for libboost 1.86"
+  migration_number: 1
+assimp:
+- 5.4.2
+libboost_devel:
+- "1.86"
+libboost_headers:
+- "1.86"
+libboost_python_devel:
+- "1.86"
+migrator_ts: 1723764795.6693385
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index d1b016f..1efc917 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -21,7 +21,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '18'
 libboost_devel:
-- '1.84'
+- '1.86'
 llvm_openmp:
 - '18'
 macos_machine:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index dd5992b..4f95a8d 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -21,7 +21,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '18'
 libboost_devel:
-- '1.84'
+- '1.86'
 llvm_openmp:
 - '18'
 macos_machine:
diff --git a/.ci_support/win_64_cuda_compiler_versionNone.yaml b/.ci_support/win_64_cuda_compiler_versionNone.yaml
index 6823835..ad2d6e6 100644
--- a/.ci_support/win_64_cuda_compiler_versionNone.yaml
+++ b/.ci_support/win_64_cuda_compiler_versionNone.yaml
@@ -11,7 +11,7 @@ cuda_compiler_version:
 cxx_compiler:
 - vs2019
 libboost_devel:
-- '1.84'
+- '1.86'
 python_min:
 - '3.9'
 target_platform:
diff --git a/recipe/boost-sha1.diff b/recipe/boost-sha1.diff
new file mode 100644
index 0000000..813e78e
--- /dev/null
+++ b/recipe/boost-sha1.diff
@@ -0,0 +1,19 @@
+diff -ur lightgbm-4.5.0.orig/external_libs/compute/include/boost/compute/detail/sha1.hpp lightgbm-4.5.0/external_libs/compute/include/boost/compute/detail/sha1.hpp
+--- lightgbm-4.5.0.orig/external_libs/compute/include/boost/compute/detail/sha1.hpp	2022-11-09 07:37:21.000000000 -0500
++++ lightgbm-4.5.0/external_libs/compute/include/boost/compute/detail/sha1.hpp	2025-02-11 04:25:47.787251140 -0500
+@@ -37,12 +37,12 @@
+         }
+ 
+         operator std::string() {
+-            unsigned int digest[5];
++            boost::uuids::detail::sha1::digest_type digest;
+             h.get_digest(digest);
+ 
+             std::ostringstream buf;
+-            for(int i = 0; i < 5; ++i)
+-                buf << std::hex << std::setfill('0') << std::setw(8) << digest[i];
++            for(size_t i = 0; i < sizeof(digest) / sizeof(digest[0]); ++i)
++              buf << std::hex << std::setfill('0') << std::setw(sizeof(digest[0]) * 2) << digest[i];
+ 
+             return buf.str();
+         }
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index c3f4890..1b7b867 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -12,9 +12,11 @@ source:
     # Taken from https://github.com/microsoft/LightGBM/blob/v4.5.0/build-python.sh#L308-L316
     # except that we don't copy lib_lightgbm.so to SP_DIR
     - use_precompiled.diff
+    # Compatibility fix for Boost 1.86
+    - boost-sha1.diff
 
 build:
-  number: 4
+  number: 5
   string: cuda_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}  # [cuda_compiler_version != "None"]
   string: cpu_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}  # [cuda_compiler_version == "None"]
   # CUDA is not supported in windows