diff --git a/conda/environments/all_cuda-125_arch-x86_64.yaml b/conda/environments/all_cuda-125_arch-x86_64.yaml
index 627bc5e64..1e672e8b0 100644
--- a/conda/environments/all_cuda-125_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-125_arch-x86_64.yaml
@@ -35,7 +35,7 @@ dependencies:
 - libgrpc=1.62.2
 - libhwloc=2.9.2
 - librmm=24.10
-- libxml2>=2.12.6,<3
+- libxml2=2.11.6
 - llvmdev=16
 - ninja=1.11
 - nlohmann_json=3.11
diff --git a/conda/environments/ci_cuda-125_arch-x86_64.yaml b/conda/environments/ci_cuda-125_arch-x86_64.yaml
index da471b1ce..78cf2d601 100644
--- a/conda/environments/ci_cuda-125_arch-x86_64.yaml
+++ b/conda/environments/ci_cuda-125_arch-x86_64.yaml
@@ -26,7 +26,7 @@ dependencies:
 - libgrpc=1.62.2
 - libhwloc=2.9.2
 - librmm=24.10
-- libxml2>=2.12.6,<3
+- libxml2=2.11.6
 - ninja=1.11
 - nlohmann_json=3.11
 - numactl=2.0.18
diff --git a/dependencies.yaml b/dependencies.yaml
index 338130cf7..30de9f1cc 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -61,7 +61,7 @@ dependencies:
           - libgrpc=1.62.2
           - libhwloc=2.9.2
           - librmm=24.10
-          - libxml2>=2.12.6,<3
+          - libxml2=2.11.6
           - ninja=1.11
           - nlohmann_json=3.11
           - numactl=2.0.18