diff --git a/web/content/docs/devguide/getting-started/build-configuration_for_MPI_PETSc/configure_for_mpi_and_petsc.md b/web/content/docs/devguide/getting-started/build-configuration_for_MPI_PETSc/configure_for_mpi_and_petsc.md
index 27c850415b9ffe2f4d6e8ece7113defe1f3dfb3c..8789a9c9af78079dd985b42404548e0dfbeef7e9 100644
--- a/web/content/docs/devguide/getting-started/build-configuration_for_MPI_PETSc/configure_for_mpi_and_petsc.md
+++ b/web/content/docs/devguide/getting-started/build-configuration_for_MPI_PETSc/configure_for_mpi_and_petsc.md
@@ -52,7 +52,7 @@ Please note that the PETSc package is preferred to build in release model regard
 
 PESTSc is recommended to use on Linux. On Windows, it only runs on
  UNIX emulator Cygwin. A detailed description about how to use PETSc on Windows
-  is available on this PETSc site: <https://petsc.org/main/install/windows/>.
+  is available on this PETSc site: <https://petsc.org/release/install/windows/>.
 
 One the frontends of EVE cluster of UFZ, your can load specified MPI, PETSc and
  other modules by command:
diff --git a/web/content/docs/userguide/parallel_computing/mpi/index.md b/web/content/docs/userguide/parallel_computing/mpi/index.md
index faa7aad1ff1b8325b4b53cd1351bdd5689f8315a..4d411f3bd0baea947840f722130198f924b654b4 100644
--- a/web/content/docs/userguide/parallel_computing/mpi/index.md
+++ b/web/content/docs/userguide/parallel_computing/mpi/index.md
@@ -93,7 +93,7 @@ The above example shows that once a prefix is given for PETSc linear solver
 above example, `-`, is replaced with `-T_` and `-H_`, respectively.
 
 A introduction and a list of PETSc KSP solvers and preconditioners can be found by
-[this link](https://petsc.org/main/docs/manual/ksp/).
+[this link](https://petsc.org/release/docs/manual/ksp/).
 
 ### 2. Launch MPI OGS