diff --git a/solvers/Celer.py b/solvers/Celer.py
index 5e95111..753752a 100644
--- a/solvers/Celer.py
+++ b/solvers/Celer.py
@@ -19,7 +19,7 @@ class Solver(BaseSolver):
         patience=3, strategy='iteration'
     )
     install_cmd = 'conda'
-    requirements = ['pip:celer']
+    requirements = ['pip::celer']
     references = [
         'M. Massias, A. Gramfort and J. Salmon, ICML, '
         '"Celer: a Fast Solver for the Lasso with Dual Extrapolation", '
diff --git a/solvers/PGD.py b/solvers/PGD.py
index c05d2a3..8185444 100644
--- a/solvers/PGD.py
+++ b/solvers/PGD.py
@@ -16,7 +16,7 @@ class Solver(BaseSolver):
     install_cmd = 'conda'
 
     # We need blas devel to get the include file for BLAS/LAPACK operations
-    requirements = ["blas-devel", 'pip:prox-tv']
+    requirements = ["blas-devel", 'pip::prox-tv']
 
     stopping_criterion = SufficientProgressCriterion(
         patience=3, strategy='callback'
diff --git a/solvers/skglm.py b/solvers/skglm.py
index ccc623f..021dba8 100644
--- a/solvers/skglm.py
+++ b/solvers/skglm.py
@@ -25,7 +25,7 @@ class Solver(BaseSolver):
 
     install_cmd = 'conda'
     requirements = (
-        ["pip:git+https://github.com/scikit-learn-contrib/skglm.git"]
+        ["pip::git+https://github.com/scikit-learn-contrib/skglm.git"]
     )
     references = [
         'M. Massias, P. Bannier, Q. Klopfenstein and Q. Bertrand.'