diff --git a/conda/artiq-dev.yml b/conda/artiq-dev.yml
index 18ca703b0..173adec8f 100644
--- a/conda/artiq-dev.yml
+++ b/conda/artiq-dev.yml
@@ -29,7 +29,7 @@ dependencies:
   - binutils-or1k-linux>=2.27
   - pythonparser=1.0
   - levenshtein
-  - migen=0.5.dev
-  - misoc=0.5.dev
+  - migen=0.5.dev=py_51+gite93d060
+  - misoc=0.6.dev=py_0+gitc8d5fd3
   - rust-core-or1k=1.16.0=11
   - cargo
diff --git a/conda/artiq-kc705-nist_clock/meta.yaml b/conda/artiq-kc705-nist_clock/meta.yaml
index ba3c3d155..8741fd5b7 100644
--- a/conda/artiq-kc705-nist_clock/meta.yaml
+++ b/conda/artiq-kc705-nist_clock/meta.yaml
@@ -12,8 +12,8 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev
-    - misoc 0.5.dev
+    - migen 0.5.dev py_51+gite93d060
+    - misoc 0.6.dev py_0+gitc8d5fd3
     - llvm-or1k
     - binutils-or1k-linux >=2.27
     - rust-core-or1k 1.16.0 11
diff --git a/conda/artiq-kc705-nist_qc2/meta.yaml b/conda/artiq-kc705-nist_qc2/meta.yaml
index ae0c01e72..e3c187ec4 100644
--- a/conda/artiq-kc705-nist_qc2/meta.yaml
+++ b/conda/artiq-kc705-nist_qc2/meta.yaml
@@ -12,8 +12,8 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev
-    - misoc 0.5.dev
+    - migen 0.5.dev py_51+gite93d060
+    - misoc 0.6.dev py_0+gitc8d5fd3
     - llvm-or1k
     - binutils-or1k-linux >=2.27
     - rust-core-or1k 1.16.0 11
diff --git a/conda/artiq-kc705-phaser/meta.yaml b/conda/artiq-kc705-phaser/meta.yaml
index 219104a4b..b43813a39 100644
--- a/conda/artiq-kc705-phaser/meta.yaml
+++ b/conda/artiq-kc705-phaser/meta.yaml
@@ -12,8 +12,8 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev
-    - misoc 0.5.dev
+    - migen 0.5.dev py_51+gite93d060
+    - misoc 0.6.dev py_0+gitc8d5fd3
     - jesd204b 0.2
     - llvm-or1k
     - binutils-or1k-linux >=2.27
diff --git a/conda/artiq-pipistrello-demo/meta.yaml b/conda/artiq-pipistrello-demo/meta.yaml
index c9d0f09d0..d6c4a5da9 100644
--- a/conda/artiq-pipistrello-demo/meta.yaml
+++ b/conda/artiq-pipistrello-demo/meta.yaml
@@ -12,8 +12,8 @@ build:
 
 requirements:
   build:
-    - migen 0.5.dev
-    - misoc 0.5.dev
+    - migen 0.5.dev py_51+gite93d060
+    - misoc 0.6.dev py_0+gitc8d5fd3
     - llvm-or1k
     - binutils-or1k-linux >=2.27
     - rust-core-or1k 1.16.0 11