diff --git a/build/pkgs/ecl/distros/conda.txt b/build/pkgs/ecl/distros/conda.txt
index 100aa2efb32..9394ddfe11b 100644
--- a/build/pkgs/ecl/distros/conda.txt
+++ b/build/pkgs/ecl/distros/conda.txt
@@ -1 +1 @@
-ecl
+ecl>=21.2.1
diff --git a/build/pkgs/gc/distros/conda.txt b/build/pkgs/gc/distros/conda.txt
index f09f27a449a..b414550bad2 100644
--- a/build/pkgs/gc/distros/conda.txt
+++ b/build/pkgs/gc/distros/conda.txt
@@ -1 +1 @@
-bdw-gc
+bdw-gc>=7.6.4
diff --git a/build/pkgs/libatomic_ops/distros/conda.txt b/build/pkgs/libatomic_ops/distros/conda.txt
index a6f2a51c512..d26fc733055 100644
--- a/build/pkgs/libatomic_ops/distros/conda.txt
+++ b/build/pkgs/libatomic_ops/distros/conda.txt
@@ -1 +1 @@
-libatomic_ops
+libatomic_ops>=7.6.2