diff --git a/RELEASE.md b/RELEASE.md
index a0c0704..d63be8b 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -10,6 +10,10 @@ Features:
 - calculate pedestal (also g0 version)
 
 
+Bugfixes:
+
+- Now using glibc 2.17 in conda builds (was using the host)
+
 ### 2025.07.18
 
 Features:
diff --git a/conda-recipe/conda_build_config.yaml b/conda-recipe/conda_build_config.yaml
index 6d3d479..543bf00 100644
--- a/conda-recipe/conda_build_config.yaml
+++ b/conda-recipe/conda_build_config.yaml
@@ -3,3 +3,14 @@ python:
     - 3.12
     - 3.13
 
+c_compiler:
+  - gcc                        # [linux]
+
+c_stdlib:
+  - sysroot                    # [linux]
+
+cxx_compiler:
+  - gxx                        # [linux]
+
+c_stdlib_version:              # [linux]
+  - 2.17                       # [linux]
diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index 8fea745..7aabea1 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -16,6 +16,8 @@ build:
 
 requirements:
   build:
+    - {{ compiler('c') }}
+    - {{ stdlib("c") }}
     - {{ compiler('cxx') }}
     - cmake
     - ninja