diff --git a/conda/artiq-kc705-nist_clock/meta.yaml b/conda/artiq-kc705-nist_clock/meta.yaml
index 8741fd5b7..1517866a2 100644
--- a/conda/artiq-kc705-nist_clock/meta.yaml
+++ b/conda/artiq-kc705-nist_clock/meta.yaml
@@ -12,7 +12,7 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev py_51+gite93d060
+    - migen 0.5.dev py_54+git58e8f45
     - misoc 0.6.dev py_0+gitc8d5fd3
     - llvm-or1k
     - binutils-or1k-linux >=2.27
diff --git a/conda/artiq-kc705-nist_qc2/meta.yaml b/conda/artiq-kc705-nist_qc2/meta.yaml
index e3c187ec4..e8e42bdf6 100644
--- a/conda/artiq-kc705-nist_qc2/meta.yaml
+++ b/conda/artiq-kc705-nist_qc2/meta.yaml
@@ -12,7 +12,7 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev py_51+gite93d060
+    - migen 0.5.dev py_54+git58e8f45
     - misoc 0.6.dev py_0+gitc8d5fd3
     - llvm-or1k
     - binutils-or1k-linux >=2.27
diff --git a/conda/artiq-kc705-phaser/meta.yaml b/conda/artiq-kc705-phaser/meta.yaml
index b43813a39..3a8eda6f1 100644
--- a/conda/artiq-kc705-phaser/meta.yaml
+++ b/conda/artiq-kc705-phaser/meta.yaml
@@ -12,7 +12,7 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev py_51+gite93d060
+    - migen 0.5.dev py_54+git58e8f45
     - misoc 0.6.dev py_0+gitc8d5fd3
     - jesd204b 0.2
     - llvm-or1k
diff --git a/conda/artiq-pipistrello-demo/meta.yaml b/conda/artiq-pipistrello-demo/meta.yaml
index d6c4a5da9..0db898643 100644
--- a/conda/artiq-pipistrello-demo/meta.yaml
+++ b/conda/artiq-pipistrello-demo/meta.yaml
@@ -12,7 +12,7 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev py_51+gite93d060
+    - migen 0.5.dev py_54+git58e8f45
     - misoc 0.6.dev py_0+gitc8d5fd3
     - llvm-or1k
     - binutils-or1k-linux >=2.27