diff --git a/misc/klayout/meta.yaml b/misc/klayout/meta.yaml
index 80fc85c4..1d504abc 100644
--- a/misc/klayout/meta.yaml
+++ b/misc/klayout/meta.yaml
@@ -57,6 +57,8 @@ test:
   requires:
     - ruby
     - python {{ python_version }}
+  downstreams:
+    - openlane
 
 about:
   home: https://www.klayout.de/
diff --git a/misc/magic/meta.yaml b/misc/magic/meta.yaml
index 70d256f2..2b6f6909 100644
--- a/misc/magic/meta.yaml
+++ b/misc/magic/meta.yaml
@@ -40,6 +40,10 @@ requirements:
 test:
   commands:
     - magic -dnull -noconsole --version
+  downstreams:
+    - openlane
+    - open_pdks.gf180mcu
+    - open_pdks.sky130a
 
 about:
   home: http://opencircuitdesign.com/magic/
diff --git a/misc/netgen/meta.yaml b/misc/netgen/meta.yaml
index e2532dea..a46e4f60 100644
--- a/misc/netgen/meta.yaml
+++ b/misc/netgen/meta.yaml
@@ -36,6 +36,8 @@ requirements:
 test:
   commands:
     - netgen -batch quit
+  downstreams:
+    - openlane
 
 about:
   home: http://opencircuitdesign.com/netgen/
diff --git a/misc/open_pdks/gf180mcuc/meta.yaml b/misc/open_pdks/gf180mcuc/meta.yaml
index 008ee096..7f3f5bfd 100644
--- a/misc/open_pdks/gf180mcuc/meta.yaml
+++ b/misc/open_pdks/gf180mcuc/meta.yaml
@@ -69,6 +69,8 @@ test:
     - test -d $PREFIX/share/pdk/gf180mcuC/libs.tech/xyce
     - test -d $PREFIX/share/pdk/gf180mcuC/libs.tech/klayout
     - test -d $PREFIX/share/pdk/gf180mcuC/libs.tech/xschem
+  downstreams:
+    - openlane
 
 about:
   home: http://opencircuitdesign.com/open_pdks/
diff --git a/misc/open_pdks/sky130a/meta.yaml b/misc/open_pdks/sky130a/meta.yaml
index dee58b90..bb575e0f 100644
--- a/misc/open_pdks/sky130a/meta.yaml
+++ b/misc/open_pdks/sky130a/meta.yaml
@@ -54,6 +54,8 @@ test:
     - test -d $PREFIX/share/pdk/sky130A/libs.ref/sky130_fd_sc_hvl
     - test -d $PREFIX/share/pdk/sky130A/libs.ref/sky130_fd_io
     - test -d $PREFIX/share/pdk/sky130A/libs.ref/sky130_fd_pr
+  downstreams:
+    - openlane
 
 about:
   home: http://opencircuitdesign.com/open_pdks/
diff --git a/pnr/openroad/meta.yaml b/pnr/openroad/meta.yaml
index 38be905b..9853c045 100644
--- a/pnr/openroad/meta.yaml
+++ b/pnr/openroad/meta.yaml
@@ -67,6 +67,8 @@ test:
   commands:
     - openroad -version
     - sta -version
+  downstreams:
+    - openlane
 
 about:
   home: https://theopenroadproject.org/
diff --git a/syn/yosys/meta.yaml b/syn/yosys/meta.yaml
index 1d476d15..47c04182 100644
--- a/syn/yosys/meta.yaml
+++ b/syn/yosys/meta.yaml
@@ -39,6 +39,8 @@ test:
     - git apply ../only-test.patch                         # [osx]
     - cd ..                                                # [osx]
     - bash test.sh                                         # [osx]
+  downstreams:
+    - openlane
 
 requirements:
   build: