diff --git a/docs/src/_changelog.md b/docs/src/_changelog.md
index 1baff64..63dc32e 100644
--- a/docs/src/_changelog.md
+++ b/docs/src/_changelog.md
@@ -13,6 +13,11 @@ Changelog](https://keepachangelog.com).
 
 - [`lib_version()`](@ref) to get the libzmq version ([#240]).
 
+### Fixed
+
+- Fixed a precompilation bug that would cause creating a sysimage with
+  PackageCompiler.jl on Julia 1.6 to fail ([#242]).
+
 ## [v1.2.5] - 2024-05-28
 
 ### Fixed
diff --git a/src/ZMQ.jl b/src/ZMQ.jl
index 8805754..9a74306 100644
--- a/src/ZMQ.jl
+++ b/src/ZMQ.jl
@@ -85,6 +85,13 @@ import PrecompileTools: @compile_workload
     unsafe_string(ZMQ.recv(s2))
     ZMQ.close(s1)
     ZMQ.close(s2)
+
+    # Using the library like this workload will initialize ZMQ._context, which
+    # contains a pointer. This doesn't seem to play well with serialization on
+    # Julia 1.6 with PackageCompiler so we explicitly close it to reset the
+    # pointer.
+    # See: https://github.com/JuliaLang/julia/issues/46214
+    close(ZMQ._context)
 end
 
 end