diff --git a/userenvs/alma8.json b/userenvs/alma8.json
index 5cf1c5f8..818a2005 100644
--- a/userenvs/alma8.json
+++ b/userenvs/alma8.json
@@ -88,7 +88,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/alma9.json b/userenvs/alma9.json
index d365fcd1..cbb0325f 100644
--- a/userenvs/alma9.json
+++ b/userenvs/alma9.json
@@ -88,7 +88,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/components/rpm-core-compiling.json b/userenvs/components/rpm-core-compiling.json
index 45e3102f..894e2fb8 100644
--- a/userenvs/components/rpm-core-compiling.json
+++ b/userenvs/components/rpm-core-compiling.json
@@ -22,7 +22,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     }
diff --git a/userenvs/fedora39.json b/userenvs/fedora39.json
index 041e0f1f..4a2683ec 100644
--- a/userenvs/fedora39.json
+++ b/userenvs/fedora39.json
@@ -88,7 +88,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/fedora40.json b/userenvs/fedora40.json
index 4b9f5aab..c6ff3c89 100644
--- a/userenvs/fedora40.json
+++ b/userenvs/fedora40.json
@@ -88,7 +88,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/rhubi8.json b/userenvs/rhubi8.json
index 795a8c96..c44f1bad 100644
--- a/userenvs/rhubi8.json
+++ b/userenvs/rhubi8.json
@@ -100,7 +100,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/rhubi9.json b/userenvs/rhubi9.json
index 99c2d94f..f728fc58 100644
--- a/userenvs/rhubi9.json
+++ b/userenvs/rhubi9.json
@@ -100,7 +100,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/stream8-flexran.json b/userenvs/stream8-flexran.json
index 37a87b2b..6733544d 100644
--- a/userenvs/stream8-flexran.json
+++ b/userenvs/stream8-flexran.json
@@ -84,7 +84,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },
diff --git a/userenvs/stream9.json b/userenvs/stream9.json
index e376e196..533f11d2 100644
--- a/userenvs/stream9.json
+++ b/userenvs/stream9.json
@@ -92,7 +92,8 @@
           "libnl3-devel",
           "numactl-devel",
           "java-1.8.0-openjdk",
-          "libpfm"
+          "libpfm",
+          "glibc-gconv-extra"
         ]
       }
     },